Uninstalr - A free uninstall tool from the jv16PowerTools team

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khanyash

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Uninstalr - The Best Uninstaller for Windows

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Version 1.0 was released on July 27, 2023
First public version release

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uninstalr-main.png


Uninstalr is an easy to use and very accurate software uninstaller for Windows. It can uninstall multiple apps at the same time.

Key Features
  • Batch uninstall many apps at the same time.
  • Supports unattended uninstallation of apps.
  • Supports monitoring of new software installations.
  • Also detects portable apps and previously uninstalled software leftovers.
  • Shows all the data added to your system by installed software on a file by file basis.
  • Shows all the data it will remove before starting the uninstallation.
  • Filter and search the list of installed software.
  • According to our
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    , Uninstalr is the most accurate software uninstaller by leaving the least amount of leftovers when uninstalling apps.
  • Supports detection and uninstallation of Microsoft Store, Steam, Big Fish Game System, Chocolatey, NuGet and Ninite installed software.
  • Supports Windows Dark Mode.
  • Supports Windows 11, 10, 8 and 7.
  • Comes with these translations builtin: Chinese Simplified, Chinese Traditional, Czech, Danish, English, Filipino, Finnish, French, German, Greek, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian, Polish, Portuguese, Romanian, Slovak, Spanish, Swedish, Thai, Turkish, Ukrainian and Vietnamese.
  • Has a single executable file portable version and a normal setup version.
  • Uninstalr is freeware, lightweight and easy to use. No bells and whistles, no nonsense.
 
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Camel1965

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Uninstalr 2.3​

Improvement: Greatly improved the program’s efficiency in uninstalling apps.
Improvement: Greatly improved the accuracy of detecting portable apps from the system.
Improvement: The analysis of installed apps will now work faster in systems with 200+ installed apps.
Improvement: The program now warns the user in case Microsoft PowerShell is missing or disabled in the system. Uninstalr can be used in such cases, but its performance is not optimal and now users is made aware of this.
Improvement: The program now warns the user in case Microsoft OneDrive seems to be syncing data from the system. This can cause OneDrive restoring an app that Uninstalr just uninstalled, making it look like Uninstalr failed to uninstall it.
Improvement: The program now performs checks to confirm it has full access to modify the system before starting to uninstall anything. If there is no full access, the uninstallation can still be started but the uninstallation performance will not be optimal and user is informed about this.
Improvement: The program now instructs user to choose "no" in case there is a popup during the uninstallation process asking whether the user wants to restart the computer.
Improvement: After the program has started, it will still continue to perform certain analysis tasks on the background until they are all completed. During this process, the numbers relating to installed software and the number of detected paths will update on the user interface. Such changing numbers within the user interface could seem a bit odd, that is why the user interface now contains a message explaining this to the user.
Improvement: The program can now detect more anti-virus and other system security related software and can warn user if they are about to uninstall such software with Uninstalr. This type of software is typically protected against automatic uninstallation and therefore uninstallation with Uninstalr will probably fail. Uninstallation of anti-virus or other security related software should only be done by following the tools and instructions of the publishers of such software, never with any third party tools.
Improvement: Detecting leftovers of old apps is never 100% accurate. Therefore, Uninstalr will now display an additional warning to ensure user knows what they are doing, if they are attempting to remove any app that Uninstalr is saying looks like a leftover and the wording in general has been changed from "Leftover" to "Possible leftover" to highlight this further.
Improvement: The program now reports when it is waiting for the System Restore Point of being created. Since this process is up to Windows and can take many minutes, it’s better for the UI to tell the user that this is what is happening.
Improvement: Added an option to disable the use of automatically running script files to finalize the uninstallation.
Improvement: You can now choose to use the standard Windows buttons within the program. This can be adjusted within the Settings view.
Improvement: In the Right Click > Fix Information view, the Jump To Software feature is now only visible if there are three or more items on the list.
Improvement: Improved the accuracy of "You are about to uninstall app1 and not app2 and these two apps seem to be related, are you sure?" warning so it won’t be displayed on apps which are not similar in nature. That being said, there is no problem of showing the warning too often, so it’s still calibrated to rather show the warning too often than too rarely.
Improvement: The program can now be better used in smaller display sizes and screen resolutions. If there is not enough space on the screen, the program will simply hide non-critical user interface elements.
Improvement: The app type, filter and sort menus now look better.
Improvement: Added options to select and unselect apps by their app type and publisher.
Improvement: Added a new feature called Ignore Paths to the Settings. This feature allows you to define any file system or registry paths that you don’t want Uninstlar to analyze or even touch. This can be used as one more layer of protection to ensure no important files are ever removed when uninstalling apps with Uninstalr.
Improvement: Improved compatibility with Steam platform and Steam games. For example, Uninstalr is now better in detecting the size of installed Steam games.

Fix: Selecting an app and using the Right Click > Show Data did not show all the paths of the app. Only using the Uninstall option would show all the paths.
Fix: The user interface in the Settings view could look pretty bad on some screen resolutions and/or app window sizes. Texts could be partially overlapping and so on.
Fix: The program was not able to detect the installation of Windows Hardware Lab Kit software, as well as some other similar apps.
Fix: The program was not able to detect the installation of some Chinese software, such as a program called 360安全卫士
Fix: The program was not always able to detect app called WhyNotWin11, or it was incorrectly listed as "WhyNotWin"
Fix: The program could display Access Violation or Out Of Memory error on some systems. This problem might not be fully fixed, that is, it might still occur on some systems, but it should be at least partially fixed. The reason for this vague wording is that I have been unable to reproduce the problem in any test system, which means it’s a very rare issue, only happening on very specific systems and therefore, fixing it has also been very challenging.
Fix: Changing the font size setting of the program didn’t work very well. The preview was poor and the setting was not always even saved properly. It’s still not perfect, but it’s much better.
Fix: Writing something to the Hide filter will randomly move the focus to the Search filter, which makes using the Hide filter very annoying.Fix: Starting to type something while on the main view adds that text to the Search filter input. This was working, but starting to type could sometimes randomly add the typed letter as upper case.
Fix: The program was not able to fully uninstall some builtin Windows apps, such as the Weather app.
Fix: The selection logic was confusing. If you used a filter to show only specific apps, then did Select All, also the currently hidden apps were selected, which could be confusing. Now the Select All and Select Inverse operations only apply to apps visible on the list of apps. Select None applies to all apps, though. Just in case.
Fix: There could be a rather long, up to a few seconds delay after clicking the first Uninstall button before anything happened on the screen.
Fix: When the uninstallation started, the progress screen could display "Uninstalling: " without any other information, such as the name of the app currently being uninstalled. This was a cosmetic issue, but could cause confusion.
Fix: It was possible for the app type or filter menus to remain visible when the list of installed apps was being regenerated.

Known Issues:
1) The program is not fully compatible with screen reader software.
2) Changing the program’s font size from its Settings doesn't work as well as it should. It’s much better in this version than in 2.2, but it's still not good enough.
3) Opening the Right Click > Fix Information can have a few second delay. This should have a progress indication.
4) Automatic system restart might sometimes fail with Windows asking the user to confirm the restart because some app is still running.
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Camel1965

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Uninstalr 3.0​

  • Key Changes:
  • The installed apps list now shows the country of origin for all known installed apps.
  • The main user interface and the before uninstallation paths view both now displays checkboxes, allowing easier selection of data to be removed.
  • The main window bar now includes Settings and About buttons.
  • Improvements:
  • The installed apps list now shows the country of origin for all known installed apps.
  • The listing of paths before uninstallation starts now displays checkboxes, allows user to uncheck any paths user doesn’t want to be removed. Editing the list of paths was also posssible before, but since the UI was not very clear about this, many users were not aware of this.
  • Uninstalr now attempts to automatically detect system backup paths and adds them to the list of ignored paths.
  • The main window bar now includes Settings and About buttons.
  • Greatly improved support for detecting portable apps, especially NirLauncher ones.
  • Greatly improved support for detecting leftover app detection.
  • After software is uninstalled and the system restarted, Uninstalr now also says how long the entire process took.
  • Improved support for systems with software installed over multiple drives.
  • The Settings now also shows the builtin ignore list that contains all the automatically ignored folders from the system.
  • Improved protection against potentially unwanted detections related to any software source code repositories stored in the system.
  • Scrolling the Settings using the mouse wheel is now much smoother.
  • The program now shows an additional warning message if you try to uninstall a potential leftover software. (Spoiler alert: You should not uninstall something just because Uninstalr says it could be a leftover. Notice the word COULD.)
  • Added an option to skip the installed app size analysis to improve scan speed.
  • The capitalization of software names is now handled better. For example, previously WinRAR could be listed as Winrar or WinRar.
  • Installed software are now listed without their version number after the name. The version number is displayed normally under the name row.
  • The program now uses less RAM.
  • The program could list paths that do not actually exist in the path listing before uninstallation. While this was by design, and explained in the UI, it was rather confusing and many people reported it as a bug. This is no longer done and instead, the Settings now contain an option about allowing Uninstalr to delete any app related paths that did not exist before the uninstallation started. Yes, sometimes running the app's own uninstaller actually creates leftovers. This setting is to remove those.
  • Fixes:
  • Known issue fixed: Uninstalling some apps, such as WinRAR, did not always fully remove everything. Usually uninstalling the app again finally removed it.
  • Known issue fixed: The progress bar isn’t always showing the progress as well as it should.
  • Known issue fixed: Portable apps stored directly on a drive root, such as C:WinFindr_Portable.exe, were not detected.
  • Known issue fixed: Portable apps stored on other drives than the C drive were not detected.
  • Uninstalling some software, such as Core Temp, took over 15 minutes.
  • While software was being uninstalled, the progress screen could display paths of unrelating software. While this was entirely a cosmetic issue, it could cause the user to think that wrong data was being removed (it wasn’t).
  • Scrolling the list of installed apps doesn’t work using the mouse scroll wheel on some systems.
  • Uninstalr failed to detect Tor Browser.
  • Uninstalr could get confused if you had software installed in many hard drives.
  • The Settings page could be shown with the scroll bar not reset to the top position.
  • If you had the same software installed twice, first as a normal software and then as an app from Microsoft Store, only the normal version could be listed.
  • Using the Right Click > Regenerate list didn’t reset the search filters.
  • Using the Right Click > Regenerate could cause some installed software not be listed after the list of installed apps was regenerated.
  • The program could crash with Access Violation error message on some systems. This was a very rare bug affecting only very few people.
  • Clicking Show Data button didn't display any kind of progress, which could make the user think nothing was happening.
  • The program failed to detect many builtin Windows apps. Note: To see these, you need to enable the option under App Types. They are hidden by default.
  • Detection of NirSoft portable apps didn't always work properly.
  • If you chose No or Cancel option on the additional warning popup about similar apps being uninstalled, more similar warnings could be still shown before the operation was property cancelled.
  • If you had two apps with the same name and same publisher installed to the system (for example, two different versions of the same app), they would always be listed in random order when the list was sorted.
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Camel1965

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Uninstalr 3.1​

Version 3.1​


Version 3.1 was released June 24th, 2026 to our Patreon members. It will be publicly released for everyone else in a week.


Key Changes:​


  1. Uninstalr now starts and shows the list of installed apps faster after the initial scan has been completed, and with much smaller memory usage.
  2. Uninstalr now detects and highlights apps that automatically start with Windows.
  3. Greatly improved the detection of portable apps.

Improvements:​


  1. New feature: Uninstalr now detects and highlights apps that automatically start with Windows.
  2. New feature: Uninstalr now highlights possible leftovers and apps from Russia and China. This can be disabled from the Settings.
  3. New feature: A new filter that allows you to show only software that is installed to other than the system drive.
  4. New feature: Users can now select to always do the deepest and the most accurate scan for installed apps, at the cost of the analysis taking a longer time.
  5. Greatly improved the detection of portable apps, such as added dedicated support for MiTeC, EZ Tools and SysInternals tools.
  6. Improved support for portable apps installed via Windows System Control Center (WSCC).
  7. NirSoft portable apps are now listed with "NirSoft" prefix for easier identification.
  8. Improved the speed of uninstalling apps.
  9. The main installed software listing search will now find "Xbox GameBar" if you search for "Game bar" and vice versa.
  10. The tooltip now displays more detailed information of the installed apps, such as its registry key and uninstaller path.
  11. The links in the About section now look more like clickable links.
  12. The main menu is now more clearly indicated in the main user interface.
  13. Microsoft Teams Meeting Add-in for Microsoft Office ships with some Windows 11 installations and is now considered a builtin Windows app and only listed if builtin Windows apps filter is enabled.
  14. Added a Help button to the main user interface that opens the help section of the website.
  15. Added an option not to close Uninstalr after uninstallation.
  16. If you open the Uninstalr website from the app, the website now receives the version number of your current Uninstalr version and warns you if you are using anything but the latest version.
  17. Improved the accuracy of the New Software Monitor.
  18. Improved confirmation messages for Steam and other platform related uninstalls.
  19. Improved the uninstallation performance of Steam games.

Fixes:​


  1. Known bug fixed: Some installed app names are capitalized incorrectly, such as "CCleaner Portable" is listed as "ccleaner portable".
  2. Known bug fixed: Some apps can be listed twice, for example, Smart Defrag can be listed once as Smart Defrag and then Smart Defrag Home.
  3. Known bug fixed: On the pre-uninstallation screen, the Scripts checkbox can be checked by default on Dark Mode but not on the normal mode.
  4. Known bug fixed: Perform Deep Analysis can be started only by clicking the button, not via the Right Click menu, main menu or F4 keyboard shortcut.
  5. Muse Hub could be incorrectly listed as Adobe Muse.
  6. SyncTrayzor was incorrectly detected as two unrelated software, SyncTrayzor and Syncthing.
  7. Smart Defrag was incorrectly listed twice as Smart Defrag 11 and Smart Defrag Home.
  8. It was possible to enter non-printable characters to the search input boxes of the main screen, and the path listing screen, which caused the UI to look funny.
  9. Changing the translation from Settings, especially many times in a row, caused the UI to distort.
  10. If you had multiple instances of portable apps on your system, such as the 64b and 32b versions of the same portable app, typically only one of them was detected, not both.
  11. In some very rare cases, Uninstalr UI could start with random characters in its search input boxes, which could make the UI look rather confusing. This was a rare issue, only reported by two users.
  12. The pre-uninstallation screen could display non-existing paths for example as the software's installation directory or main exe file. This was a cosmetic issue.
  13. New Software Monitor cannot detect the installation of Claude.
  14. Selecting all the found software made the UI look funny with the top panel covering everything else (because the names of all the selected software were listed there).
  15. Sometimes a Steam game could be listed a normal app instead of a Steam game.
  16. If the system restart after an uninstallation is delayed, e.g. because of Windows Updates being installed, this additional delay is incorrectly added to the time how long the uninstallation process took. This cosmetic bug could cause the program incorrectly report an uninstallation time longer than the actual uninstallation time.
  17. Uninstalling Minecraft could simply fail.
  18. The Only scan the system drive for installed apps setting does not fully work. If some apps are installed to a non system drive and this setting is enabled, the app could still be detected and listed on the main user interface.
  19. Changing any settings could also incorrectly alter the Only Scan The System Drive For Installed Apps setting.
  20. Microsoft OneDrive and Copilot are not always detected.
  21. If you enter something to the search filter field, then select the text and press the Delete key, this triggers the Uninstall button click even if your intent was to delete the text input.
  22. If you press the F5 key to refresh the screen during the uninstallation loading screen, the program will crash.
  23. If you enabled some setting, such as "Do not analyze installed app installation sizes", it could automatically be unchecked later.
  24. Uninstalr doesn't warn you if you try to remove Fortec antivirus. There should be a warning if user attempts to remove any antivirus or antimalware type program. Such programs should not be uninstalled using a third party uninstaller, as they are typically protected against automated uninstallation, for security reasons.
  25. With "Do not analyze installed app installation sizes" option checked from the Settings, Uninstalr could still display some installation size related elements in the UI which was confusing.
  26. The "Only scan the system drive" option moved under Improve Scan Speed from the General settings.
  27. If two software have the exact same name and version number, selecting both of them for uninstallation fails because only one is actually selected.
  28. Sorting the installed apps by size sometimes fails and the order is incorrect.
  29. The "Don't show which paths are currently analyzed" did not work correctly - some parts of the UI still show the currently analyzed path with this setting checked.
  30. The "Don't list software less than 10 MB" filter did not work correctly - some apps smaller than 10 MB could still be listed.
  31. Uninstalr could start very quickly and display an empty list of detected apps. Restarting the app usually fixed the issue and the list of installed apps was properly displayed.
  32. If you placed portable Uninstalr to a same folder with other portable apps, those were not detected because Uninstalr automatically added its installation folder to the ignore list.
  33. When trying to uninstall some specific software, Uninstalr could get stuck on the Searching for more data relating to the app phase.
  34. Uninstalr could sometimes do a silent uninstallation even if user had unchecked the Perform a silent uninstallation option.

Known bugs:​


  1. Uninstalr can fail to run with an Out Of Memory error in systems that have a lot of installed apps.
  2. Using the New Software Monitor tool multiple times during one session can cause the program to get stuck on the Scanning stage.
  3. The "uninstallation completed" message box sometimes closes when the user moves the mouse cursor over the button before user clicks it.
  4. There is no feedback for the user after Fix Information feature has been used.
  5. The Right Click menu's Select by publisher option can display the number of apps per each publisher without correct vertical alignment.
  6. The default user interface might not display all of the found installed apps if you have over 600 installed apps. If you do, using the Screen Reader Compatible Interface solves the issue.
  7. Leftover apptype filter checkbox is shown in red font only in Dark Mode.
  8. Clicking the app's icon from the Windows Taskbar doesn't minimize/restore the app like other apps.
  9. The warning about an app that user wishes to uninstall being related to some other app user did not select can sometimes be inaccurate.
  10. If app's language is changed without restarting Uninstalr, the list of installed software might not automatically refresh.
  11. When software is being uninstalled, the UI can say it is processing paths unrelating to the uninstalled app. This is purely cosmetic and does not mean these paths are removed.
  12. Uninstalr might not properly detect and/or uninstall Steam games if they are installed to a drive different than Steam's default location in C:\.
  13. You might see "This action is only valid for products that are currently installed" error message from Windows Installer during uninstallation. This is a cosmetic
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