Resolve Error Launching CCleaner Installer Issue

CCleaner is a software that cleans out the junk files, temporary files, and browsing history on your Windows computer. It protects your privacy and saves your hard disk space by cleaning unwanted files. If you are getting the error launching CCleaner installer message when launching the program, follow the below-mentioned troubleshooting steps.

 Error Launching Ccleaner Installer

Steps To Resolve

  • Make sure that you have logged in with administrator rights on your computer.
  • Disable the Antivirus software or firewall running actively (if any).
  • While launching the CCleaner installer, the User Account Control window will pop-up.
  • Make sure to select Yes to allow the app to make changes to your computer.
  • If you restrict access by clicking the No button, you cannot run the installer.
  • Next, open the Task Manager window by pressing the Ctrl + Alt + Del shortcut keys.
  • Alternatively, you can launch it by giving a right-click on the system tray and selecting the Task Manager option.
  • Click the Processes tab and click the End Task button after selecting each program.
  • Using this method, you can identify the process conflicting with the CCleaner program.
  • Once detected, remove the conflicting program from your computer.
  • Relaunch the CCleaner installer and check if the problem has been resolved.
  • If the problem persists, remove and reinstall the CCleaner software on your computer because you might have previously downloaded a non-compatible software.
  • To remove the CCleaner program, open the Control Panel app and click the Uninstall a program link underneath Programs.
  • Next, locate the CCleaner program from the displayed list.
  • Select it and click the Uninstall button.
  • If prompted, click the Uninstall button again and follow the on-screen prompts to delete it from your computer.
  • Visit the official CCleaner site and download a compatible CCleaner installer file.
  • Verify whether your Windows computer meets the system requirements before downloading the software.
  • Launch the downloaded installer file to reinstall the CCleaner program and check if the error launching CCleaner installer issue has been resolved.


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