Checklists for software errors, setup, and tool workflows.

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How to Fix Git Push Rejected Non-Fast-Forward Error

You try to push your local commits to a remote repository, but Git rejects the push with a messag...

Fix PowerShell Mac Module Installation Failures

When you try to install a PowerShell module on macOS using Install-Module, you might...

Fix BitLocker Update Error 0x8031004f on Windows

If you see error code 0x8031004f when installing a Windows update that involves BitLocker, it usu...

How to Enable Windows Defender in Windows 10

If you're seeing a warning that Windows Defender is turned off, or you can't access its settings,...

Fix Windows Terminal Version Mismatch Error Code

You open Windows Terminal and see an error: “Version mismatch” or “Error code: 0x800...

Troubleshoot 504 Gateway Timeout in Windows Security App
When you open Windows Security (formerly Windows Defender Security Center) and see a 504 ...