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How do I fix the CCleaner error code 91613?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

The ccleaner error code 91613 is an issue that can occur when trying to clean your registry with the program. This error is typically caused by a corrupt or damaged registry key that is needed by ccleaner in order to function properly. In order to fix this issue, you will need to use a registry cleaner program to repair the damaged registry key.

1. Try to update ccleaner to the latest version

1.Open the "C:\Program Files (x86)\CCleaner\CCleaner.exe" file. 2.Click on the "File" menu, and then choose "Update." 3.Click on the "Check for updates" button. 4.If the "Check for updates" button is not visible, click on the "File" menu, and then choose "Options." 5.Click on the "Update options" button. 6.Click on the "Check for updates" button. 7.If the "Check for updates" button is not visible, click on the "File" menu, and then choose "Help." 8.Click on the "Visit the help website" button. 9.Click on the "Update help" button. 10.Click on the "Download updates" button. 11.Click on the "Install updates" button. 12.Click on the "Finish" button. 13.Click on the "OK" button. 14.Click on the "Close" button.

2. If that doesn't work, try uninstalling and reinstalling ccleaner

  1. If you are using Windows 10, try to uninstall ccleaner by right-clicking on the program in the Start menu and selecting Uninstall.
  2. If you are using Windows 8 or 8.1, open the Control Panel and select Programs and Features.
  3. On the Programs and Features screen, select the ccleaner program and click on the Uninstall button.
  4. If you are using Windows 7, open the Control Panel and select Add or Remove Programs.
  5. On the Programs list, select ccleaner and click on the Uninstall button.
  6. If you are using a Mac, open the Applications folder and select ccleaner.
  7. Click on the Uninstall button.

3. Try running ccleaner in compatibility mode for an older version of Windows

  1. Open the Start menu and type "cmd".
  2. When the Command Prompt window opens, type "compatibility" and press Enter.
  3. At the command prompt, type "set compatibility" and press Enter.
  4. At the command prompt, type "setupprimer" and press Enter.
  5. At the command prompt, type "ccleaner" and press Enter.
  6. If the ccleaner error code 91613 appears, type "fixme" and press Enter.

4. If you're still having problems, contact ccleaner support for more help

To fix ccleaner error code 91613, follow these steps:

  1. Click on the "Help" menu in ccleaner and select "Troubleshooting."
  2. If the "Troubleshooting" menu doesn't appear, click on the "Tools" menu and select "Troubleshooting."
  3. On the "Troubleshooting" page, click on "Resolve problem."
  4. If the "Resolve problem" page doesn't appear, click on the "File" menu and select "Open."
  5. In the "Open" dialog box, click on "caf.ini."
  6. If the "caf.ini" file isn't located in the same folder as the ccleaner executable file, click on the "Browse" button and navigate to the ccleaner executable file's folder.
  7. In the "caf.ini" file, locate the line that reads "MaxCleanerThreads=16."
  8. Change the value of MaxCleanerThreads to the number of cores on your computer, or the number of threads on your computer if the value of MaxCleanerThreads is greater than 16.
  9. Click on the "OK" button to save the changes to the "caf.ini" file.
  10. Click on the "Close" button to close the "Open" dialog box.
  11. Click on the "Run" button to run the ccleaner executable file.
  12. If the ccleaner error code 91613 still appears, click on the "Help" menu in ccleaner and select "Contact ccleaner support."