Checklists for software errors, setup, and tool workflows.

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Fix OneDrive Sync 502 Bad Gateway Error

You open OneDrive and see a 502 Bad Gateway error when syncing files. This usually means a tempor...

BitLocker Setup: Fixing 502 Bad Gateway Errors

You're trying to set up BitLocker on a Windows machine, but the management console or recovery ke...

How to Reset Windows Defender Settings to Default

You might need to reset Windows Defender (now Microsoft Defender Antivirus) to its default settin...

Fix Outlook Authentication Failed When Modern Auth Is Disabled

If you see "authentication failed" in Outlook and modern authentication is disabled, the issue us...

How to Fix Command Prompt Proxy Error

If you get a proxy error in Command Prompt—for example, when running curl, git...

Fix Microsoft Teams Stuck on Loading with Error Code 0xca
If Microsoft Teams gets stuck on the loading screen and shows error code 0xca, the app can't star...