Csrss.exe uses 100% of the CPU When you Right-Click an item in Windows Explorer or on the desktop
Your user profile is corrupt.
Before continuing, make sure you have backed up the contents of your My Documents folder, and any other important data stored in your profile such as application settings. Once your profile is deleted, you will not be able to recover data stored inside of it.
In order to delete your profile, you must be logged in with an account which has administrative privileges which is also not yours. Once you are logged in, open the user profiles list. To locate the list of local user profiles, right-click My Computer
, click Properties
, and then on the Advanced
tab, click Settings
under User Profile
. Select your profile from the list, and then click Delete
Logoff, and then log back on as yourself. A new profile will be created when you log on. CAUTION
If the corrupted profile is that of a domain administrator, and it is located on the first domain controller in the forest, the EFS recovery key must first be backed up. See KB Article 324897 for details on this procedure.