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

How to Fix Windows Update Invalid Configuration Error

When Windows Update stops working with an 'invalid configuration' error, it usually means a syste...

Fix Windows Activation Version Mismatch After Hardware Change

After swapping out a motherboard or other major hardware, you might see an error that Windows act...

Fix SSH Permission Denied (publickey) Error

You try to SSH into a server and get Permission denied (publickey). This typically m...

How to Backup and Restore Windows Activation: Step-by-Step

If you've ever replaced a motherboard or reinstalled Windows and been prompted to reactivate, you...

Fix npm install ENOTFOUND on Windows 10: Package.json Issues