How to Fix Cannot Delete Error While Deleting Key in Windows 10 or 8.1 or 8

Here we will guide you to to know how to fix cannot delete error while deleting key in Windows 10/8.1/8. You get the error Cannot delete (key name/ Application Name): Error while deleting key when you try to delete registry keys. You may be trying to reinstall a software due to the software malfunctioning. Prerequisite for deleting registry keys is that you should have full permission to the registry key.

How to Fix Cannot Delete Error While Deleting Key

The following steps will work for Windows 10, 8.1 and 8

1. Press Windows Key + R
2. Type regedit in the Run command window that opens
3. Press Enter
4. When the Registry Editor window opens, go to the required registry key that for which you need permission to delete
5. Right-click on the key
6. Select Permission from options
7. Click Advanced button in the Permissions for Display dialogue box that opens
8. Click Change link near Trustedinstaller
9. The Select User or Group dialogue box opens
10. Now you can enter your username in Enter the object name to select
11. Click Check Names button
12. Click OK once done
13. Select your username under Group or user name in the Permissions for Display window
14. Check the Allow checkbox in front of Full Control
15. Click Apply
16. Click OK
17. Now you can go ahead and delete the registry key you need to

That will fix the Cannot delete (key name/ Application Name): Error while deleting key error. Please share your comments with us.