Checklists for software errors, setup, and tool workflows.

Fix Chrome Profile Authentication Failed & Sync Not Working

If you see “Authentication failed” in Chrome and sync has stopped working, it usually means a pro...

How to Repair Outlook PST File When It Fails to Start

If Outlook fails to start and you see errors like 'Cannot start Microsoft Outlook' or 'The file p...

How to Enable Windows Defender Service Manually

If Windows Defender won't start or you see warnings that it's turned off, the underlying service ...

Fix Task Scheduler Module Missing After Windows Update

After a recent Windows update, you might open Task Scheduler and find the module missing—no tasks...

Fix Microsoft Teams Microphone Not Detected in Windows

Common Causes

• Microphone permissions disabled for Teams in Windows settings.

How to Fix Windows Update Setup Error 0x80070643

You're trying to install a Windows update and get error 0x80070643. This usually appears during t...