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

Avoid Windows Activation Version Mismatch on Reinstall

You reinstall Windows, enter your product key, and get an error: “This product key does not match...

Fix Windows Activation Connection Timeout on Windows 10

When you try to activate Windows 10, you might see a message like “We can’t activate Windows righ...

Fix SSH Host Key Verification Failed for GitHub

When you try to clone a repository or push to GitHub over SSH, you might see an error like:

Fix Windows Security Authentication Error 0x80070035

Fix npm install ERESOLVE Error When Adding a Package

When running npm install , you might see an ERESOLVE erro...

How to Fix Windows Update Stuck on Blank Screen

You restart your PC to install updates, but instead of the usual progress screen, you get a blank...