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

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix Windows Update Connection Timeout Error

You click 'Check for updates' and after a long wait, you get a timeout error. This is common when...

Fix 'Access Denied' Error in Windows Security for Administrators

If you're logged in as an administrator but still see 'Access Denied' when opening Windows Securi...

Fix Windows Activation 502 Bad Gateway Due to Proxy Settings

If you see a "502 Bad Gateway" error when trying to activate Windows, the problem is often a misc...

Fix Windows Terminal Login Loop on Windows 11

If Windows Terminal keeps prompting you to log in repeatedly on Windows 11, even after entering c...

Fixing AWS CLI Command Prompt Token Expired Errors

If you see 'Token expired' or 'The security token included in the request is expired' when runnin...