There is something strange in SASUNINST.EXE util. I used it to remove SUPERantiSpyWare from Windows2000. After rebooting system hangs with "Windows could not start because the following file is missing or corrupt: \WINNT\SYSTEM32\CONFIG\SYSTEM " This was the second time in a couple of months. Unfortunately I didn't remember the first time and backup all the related files before using the util again. Perhaps I thought that it was just a coincidence on the first time. Now what?