Knowledge base for software setup, errors, and daily tool work.

Fix Chrome SSL Certificate Error NET::ERR_CERT_COMMON_NAME_INVALID

You're browsing a site and Chrome blocks it with NET::ERR_CERT_COMMON_NAME_INVALID. ...

Windows Activation Cache Clear Still Failing? Try These Fixes

You've tried clearing the Windows activation cache using slmgr /rearm or deleting th...

Exchange Online PowerShell Migration Checklist

When you're migrating mailboxes to Exchange Online using PowerShell, the process can feel overwhe...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

How to Fix Windows Update Error 0x8007000d

When you see error 0x8007000d during Windows Update, it usually means a file is missing or corrup...