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Windows

A collection of 3 posts
Screenshot showing a screen titled "BitLocker Drive Encryption".  BitLocker shows as on for drive C, and there are options to suspend protection along with management tasks.
cyber security

Is BitLocker broken? What's this about Yellow Keys?

Brief thoughts and guidance on the YellowKey exploit.
20 May 2026 2 min read
Screenshot of a Windows 11 Sandbox running in a window.  The "Windows Sandbox" start menu option is overlaid.
Windows

Using Windows Sandbox

How to use Windows Sandbox, and how that can help you.
28 May 2023 8 min read
Problems using "Microsoft Update Catalog" - user data persistence and the add-on
System administration

Problems using "Microsoft Update Catalog" - user data persistence and the add-on

On attempting to import updates to Windows Server Update Services (WSUS), which uses the Microsoft Update Catalog (or catalogue for us Brits) I was receiving an error about user data persistence.  Despite following the instructions and enabling this in Internet Explorer the problem remained.  This post explains how to resolve
24 Sep 2018 2 min read
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