June 2016
Beginner to intermediate
322 pages
6h 18m
English
Windows OS backs up the hive files by default every 10 days. The backup files are located at %WINDIR%\repair in Windows XP and at %WINDIR%\System32\config\RegBack starting from Windows Vista. The backup hives are useful in determining the changed configuration from the last update. They are also useful in case the normal hives are corrupted.
The backup is done by the local system in Windows tasks under %WINDIR%\System32\Tasks\Microsoft\Windows\Registry:

Figure 8: The registry backup task in Windows