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How to Close All Instances of an Application

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Date Last updated 4 months ago
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When trying to install/uninstall an application, sometimes a warning dialog such as the following appears.

Setup/Uninstall has detected that an application is currently running.
Please close all instances of it now, then click OK to continue, or Cancel to exit.

Setup Error

Uninstall Error

If you can't see the running application on your computer screen, there may be a few small things you need to do.

Close Application using System Tray

You can try to find the running application on Windows system tray.

Then, right-click the application icon and close it.

Windows System Tray

After closing the application using its system tray icon, you will probably be able to uninstall it or install its new version.

Close Application using Task Manager

If you are still unable to close the application, you can kill the process with the help of "Task Manager" by following the steps:

  1. Press Ctrl+Alt+Delete.
  2. Choose "Task Manager".
  3. Find the application from the list.
  4. Right-click on the application.
  5. Click "End Task" or "End Process".
  6. Finally, click X to close "Task Manager".
Fatih Ramazan Çıkan
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Fatih Ramazan Çıkan LinkedIn
Delphi/JavaScript/PHP Enthusiast | Electronics Engineer

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Comments Responses (1)

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May 10, 2022 at 09:41 am (PST) | Reply
Nahi ho raha Hai Delete.

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