How to take a screenshot of part of the screen on Windows 11
Capture any part of the screen in seconds, find where Windows saves it, and hide email addresses and phone numbers before you send it.
Windows
Windows 11 help for people who are their own IT department: updates, settings, backups, fixes and the problems updates cause.
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Secure Boot certificate expired? How to check your Windows PC
The Windows Production PCA 2011 certificate expired on October 19, 2026. Here is how to check whether your PC has the 2023 replacement and what to do if it does not.
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How to turn on clipboard history in Windows 11
Press Windows + V to paste from your last 25 copies, pin text you reuse, sync two PCs and clear anything sensitive.
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KB5127648 Failed to Install? Fixes for 0x800f0845 and More
KB5127648 failing with 0x800f0845, 0x80070306 or 0x800f0989? Try these Windows 11 fixes in order, from Reinstall now to a manual Update Catalog install.
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NordVPN Windows Vulnerability: Check You’re on Version 8.12+
CVE-2026-106030 affects NordVPN for Windows before 8.12. Here’s what the flaw does, who it matters for, and how to confirm your app is patched.
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How to free up disk space on Windows 11 without deleting your work
Reclaim space on a full Windows 11 drive with built-in tools, and avoid the two cleanups that can quietly remove work files.
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Wi-Fi or VPN not connecting after the October 2026 Windows update: NTLMv1 fix
The October 13, 2026 Windows update blocks NTLMv1-derived single sign-on by default, breaking PEAP-MSCHAPv2 Wi-Fi and VPN logins. Here is how to confirm it and fix it.
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Smart App Control grayed out after KB5127648: how to fix
Smart App Control grayed out after the October 2026 Windows 11 update? Confirm KB5127648 is the cause and apply Microsoft’s registry workaround safely.
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Exchange OWA not working after the October 2026 Windows update: fix
OWA sign-in failures and emails stuck in the Outbox after the October 2026 Windows Server update come from a new Endpoint Mapper limit. Here is Microsoft’s workaround.
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USB headset no sound after Windows 11 update (Code 10): what works
A known Microsoft bug can leave USB Audio Class 1.0 headsets and DACs silent with Code 10. How to confirm it, what has helped, and why rolling back won’t.
