Checklists for software errors, setup, and tool workflows.

Fix VS Code Extension Host Crashing on Startup

If Visual Studio Code opens but then immediately shows an error that the extension host has termi...

Fix Windows Update Connection Refused Due to Proxy Settings

When Windows Update reports a 'connection refused' error, it's often due to a misconfigured proxy...

How to Fix Windows Update Error 0x8024402c

Windows Update error 0x8024402c usually appears when the update service can't connect to Microsof...

Fix Windows Defender Version Mismatch with Configuration Tool

You might see a version mismatch warning when opening Windows Defender Security Center or running...

Fix Windows Defender Sync Error 504 Gateway Timeout

If you see a "504 Gateway Timeout" error when Windows Defender tries to sync, it usually means th...

Fix Git Clone Permission Denied (publickey) on Bitbucket

You try to clone a Bitbucket repository and see:

Permission denied (publickey).
fatal: Co...