No acess to desktop or windows xp

[mistycueva]

Hello,
I have no acess to desktop or windows xp does not open up. Tried to gain acess thru safemode and also last safe configurations and nothing.
What can I do to fix the problem?

 

[nhasian]

Here are detailed step by step instructions with pictures:

How Do I Use the Windows System Restore Utility?
How Do I Perform a Startup Repair or Repair Installation of Windows?
How Do I Perform a Clean Installation of Windows?

Also there is SFC How to use the System File Checker tool to troubleshoot missing or corrupted system files on Windows Vista or on Windows 7