Recover Registry Hives from a System Restore Point or Shadow Copy

vssadmin list shadows

This article explains how to restore registry hives or files from shadow copies. This can be helpful if the current registry hives are damaged and cannot be loaded.

Shadow copy, or Volume Shadow Copy Service (VSS), is a Windows feature that creates snapshots or backup copies of files and volumes, even while they are in use. When you create a System Restore Point, it also creates a shadow copy because System Restore is based on VSS.Read more

How to Clear Windows Update History

clear the entire windows update history

This post explains how to clear the Windows Update history on Windows 10 and 11.

The Windows Update client keeps track of installed and failed updates. The updates include Feature updates, monthly Cumulative Updates (Quality Updates), driver updates, Microsoft Defender Antivirus definitions, Windows Security Platform updates, and other non-security updates. There is no GUI option to clear the update history.

clear the entire windows update history

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Microsoft Support Diagnostic Tool (msdt.exe) asks for a Passkey

msdt.exe asks for passkey

MSDT stands for Microsoft Support Diagnostic Tool. This tool was previously used by Microsoft technical support to analyze diagnostic data for troubleshooting remotely. MSDT.exe can also run built-in troubleshooters, such as the Audio troubleshooter and the Windows Update troubleshooter. Why does msdt.exe ask for a Passkey? When you run msdt.exe without any command-line arguments, it … Read more