Today i got one error in my system that is virus attack. I resolve this error.
Here is instructions for resolving this error step-by-step:
1. Open Regedit (Start -> Run -> type 'regedit')
2. Open dir HKEY_LOCAL_MACHINE
3. Open dir SOFTWARE
4. Open dir Microsoft
5. Open dir Windows NT
6. Open CurrentVersion
7. Open Winlogon
9. Select and right click and Modify
10. Edit second input from Explorer.exe C:\...Isass.exe to just Explorer.exe
11. So entry has to be only Explorer.exe, without C:\...