, I lost the recovery CD and the OS CD of my laptop a virus attacked it and now I have a problem: "winlogon.exe error" which always reboot my system, what can I do?

Have you tried booting to safe mode and running a system restore from there ?

Yes but this failed because this error cause an improper shut down which interrupt the sys restoration

Any other solution? Thanks to all who is trying to help me in that

Have you tried all available restore points ?

Yes, but the problem that this error always interrup the restoration and it can't be complete

Any solution?