Checklists for software errors, setup, and tool workflows.

Fix Missing Dependencies in Microsoft Store Offline Installer

When you use a Microsoft Store offline installer (sometimes called an app bundle or .appxbundle f...

Fix Windows Defender Proxy Error Not Working

You launch Windows Defender Security Center or try to run a scan, and you see a proxy error—somet...

Fix Microsoft Teams Microphone Not Detected in Windows

Common Causes

• Microphone permissions disabled for Teams in Windows settings.

Fix Windows Activation 502 Bad Gateway Firewall Issues

When you try to activate Windows and see a 502 Bad Gateway error, it often point...

DNS Error When Updating Windows 10: Quick Fixes

When updating Windows 10, you might see an error like "There were some problems installing update...

Fix Windows Defender Not Starting After Update

After a Windows update, you might see that Windows Defender (now called Microsoft Defender Antivi...