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

Fix SSH Permission Denied (publickey) Error

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

Chrome Proxy Error Troubleshooting Checklist

You're trying to browse but Chrome shows 'ERR_PROXY_CONNECTION_FAILED' or 'Unable to connect to t...

OpenVPN Connection Failed: Check Firewall Settings

You see "connection failed" in your OpenVPN client log. The server is reachable, but the handshak...

Fixing GitHub Actions Permission Denied for Git Commands

Windows Security Version Mismatch: Troubleshooting Checklist

If you see an error message saying Windows Security has a version mismatch, or the Security Cente...

Fix Microsoft Teams Memory Leak After Update

After a recent update, Microsoft Teams may start using excessive memory, slowing down your system...