Solved Xp auto log off

Edit these values and type the correct path of shell : 

Shell = explorer.exe 
Userinit=X:\windows\system32\userinit.exe 

NOTE: These files may also be deleted by spywares. You may need to extract them using Windows CD. 

Steps for rectifying this problem: 


Log on to a networked computer. 
Run Regedit.exe 
Point your cursor to HKEY_LOCAL_MACHINE 
Select File > Connect Remote Registry 
Type computer name (infected computer) 
Navigate to the following location in registry of destination or infected computer 


HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon 


Edit these two values in right pane: 

Shell 
Userinit 


Change these two values to 
Shell=explorer.exe 
Userinit = x:\windows\system32\userinit.exe 
Exit from Registry 
Restart Infected computer. 
You should be able to log on to computer. 
if it not work then go to back steps and just copy orwrite the file userinit.exe 

workded successfully tested 100 percent gauranted