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

Fix OneDrive Sync Error 0x8004de40 on Ubuntu

If you see error 0x8004de40 when syncing OneDrive on Ubuntu, the sync client usually fails to aut...

Fix PowerShell 502 Bad Gateway Caused by TLS Version Mismatch

If you see a 502 Bad Gateway error when running PowerShell scripts that call web...

Fix Command Prompt Not Recognizing Commands

How to Add Folder Exclusions in Windows Defender

If Windows Defender is slowing down your workflow or flagging a trusted application, you can excl...

Outlook DNS Error Checklist – Common Causes & Fixes

When Outlook can't connect to your mail server and shows a DNS error, it usually means the app ca...

How to Fix Microsoft Store Access Denied Errors

When you open Microsoft Store and see an 'Access Denied' message, it usually means a permission o...