Laptop had the Netsky last week. On WinXP Pro. Cleaned up with latest NAV. Suddenly could not get into banking web pages. All others ok. Told to download latest Microsoft updates. Could not get them. Microsoft message "Windows Update has encountered an error and cannot display page" Advised to change value in Registry of CSDVersion in HKEY LOCAL_MACHINE\SYSTEM\CurrentControlSet|Control\Windows to "0". Did so.
Now get message on load up C0000218 Registry File Failure The registry cannot laod teh hive (file)\SystemRoot\System32|Config|Security or its log or alternative. It is corrupt, absent or not writable. Dumping Physical Memory to disk.