classic theme error

[DeP]

thanks spyware dr and dep but tried both your sudjestions ...... still getting the same error message

To be honest, I was afraid of this...
Your account got probably corrupted, have you tried to log in with an other account?
If there is no problem with another account, you have to create a new account for yourself and copy data from your old account to your new account.

How to create and configure user accounts in Windows XP
How to copy data from a corrupted user profile to a new profile in Windows XP