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

How to Fix Microsoft Store Service Unavailable Error

When you open Microsoft Store and see the error 'Service unavailable' or a message like 'Somethin...

Fix Windows Activation Token Expired During Reinstall

If you're reinstalling Windows and see an activation error saying your token has expired, you're ...

How to Fix 7-Zip 'Cannot Open File as Archive' Error on Valid Files

You double-click a file in 7-Zip and get "Cannot open file as archive." But you know the file is ...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix SSH Host Key Verification Failed in Ansible

When running Ansible playbooks or ad-hoc commands, you might see the error Host key verific...