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

Fix Chrome Connection Refused Certificate Issues

You're trying to visit a website in Chrome and see ERR_CONNECTION_REFUSED, somet...

WireGuard Handshake Not Completing: Firewall Fixes

You set up WireGuard, but the handshake never completes. Both peers show no handshake time, and y...

Fixing Microsoft Teams Rate Limit Error When Sending Messages

Fix VMware Network Adapter Missing After Windows Update

After a Windows update, you might find that your VMware virtual machines have no network connecti...

Certbot Nginx Plugin Permission Denied: Fixes and Checks

When running Certbot with the nginx plugin, you may encounter a 'Permission denied' error. This u...

Fix Windows Activation Cache Corruption

You try to activate Windows, but the activation fails with an error like '0xC004F074' or 'The act...