Checklists for software errors, setup, and tool workflows.

How to Reset Windows Defender Settings Without Losing Data

If Windows Defender is misbehaving—showing false positives, failing to update, or blocking legiti...

Fix Windows Activation Update Stuck Error

You try to update Windows, but the update hangs or fails with an activation error. The update may...

Fix Windows Update Authentication Failed / Permission Denied

When Windows Update fails with an "authentication failed" or "permission denied" message, it usua...

Fix 502 Bad Gateway When Windows Search Not Working

You open Windows Search, type a query, and instead of results see a 502 Bad Gateway error. This u...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

OneDrive Setup Sync Folder Not Syncing: Practical Fixes

You set up OneDrive, pointed it to your sync folder, but nothing is syncing. Files stay local, th...