The main subfolders of the System32 folder that normally occupy space are DriverStore, FileRepository, Config, drivers, winevt, catroot, Log Files, etc.

"Starting Windows...Windows 2000 could not start because the following file is missing or corrupt: \\WINDOWS\\SYSTEM32\\CONFIG\\SYSTEM. "You can attempt to repair this file by starting Windows ...

Just fixed this for someone a week ago with the recovery console. <br><br>1) Open recovery console<br>2) rename c winnt\system32\config\system to system.old<br>3) Copy c winnt\repair\system to c ...

Choose the registry hive file, typically located in the Windows\System32\Config directory. Enter a key name to access the data.