Checklists for software errors, setup, and tool workflows.

Fix 'Threat Service Stopped' in Windows 10 Defender

If you see a yellow warning in Windows Security that says "Threat service has stopped" or "Restar...

Fix Windows Activation Connection Timeout After Network Change

If you recently changed your network—switched Wi-Fi networks, moved from Ethernet to Wi-Fi, or ch...

How to Fix Microsoft Teams 404 Not Found Error

When Microsoft Teams shows a 404 Not Found error, it usually means the app can't reach the server...

How to Repair a Corrupt Windows Search Database

If Windows search stops returning results, takes too long, or shows errors, the search database m...

Fix Chrome Profile Sync Stuck and High CPU Usage

You open Chrome, notice the sync icon spinning endlessly, and your CPU fan ramps up. The browser ...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

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