How's registry errors make the computer freeze after startup? I mean the computer works well when booting and then does not respond except for the mouse. Issue occurs even when your restart...
what about safe mode
if ok create a new user account see if the problem is still there when logging in with the new account
try a system restore to a date before the problem
It works in safe mode when using the administrator account. Was working after I ran the CCleaner application to scan registry errors and fix them. Again it started recurring today. Did a system restore and seems to be working..