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

Fix Microsoft Teams 504 Gateway Timeout During Setup

You're setting up Microsoft Teams and hit a 504 Gateway Timeout. The setup process stalls, and yo...

Fix Outlook Module Not Found Error 0x80040154

You open Outlook and get an error: 0x80040154 — "Class not registered" or "module no...

Command Prompt Dependency Conflict Troubleshooting Checklist

Fix Microsoft Store Connection Timeout Error 0x80131500

You open Microsoft Store and see a connection timeout error with code 0x80131500. This usually me...

Command Prompt Token Expired vs PowerShell: Key Differences

If you've ever run a command in PowerShell and seen an error like "token expired" or "access toke...

Fix Remote Desktop Certificate Error Authentication Failure

You attempt to connect to a remote PC via Remote Desktop (RDP) and see an error like “Authenticat...