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

Fix PowerShell Assembly Cache Not Updating

You’ve updated a .NET assembly in the Global Assembly Cache (GAC) or copied a new DLL into a modu...

Windows Security Access Denied Troubleshooting Checklist

You try to open a file or run a program, and Windows tells you access is denied. This usually com...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

Fix 'Permission Denied' Errors in PowerShell Scripts

When a PowerShell script throws a 'permission denied' error while trying to access a file, it usu...

How to Fix Outlook Version Mismatch Error

You open Outlook and get a 'version mismatch' error. This usually means Outlook and the mail serv...

How to Fix Microsoft Teams 404 Error with a Clean Reinstall

If you're seeing a 404 error in Microsoft Teams—often when opening a link or launching the app—it...