Checklists for software errors, setup, and tool workflows.

Fix Windows Update 504 Gateway Timeout Related to Firewall Settings

If you see a 504 gateway timeout when running Windows Update, it usually means the update server ...

Fix Git Clone Permission Denied (publickey) on Bitbucket

You try to clone a Bitbucket repository and see:

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

Fix BitLocker TPM and PIN Sync Issues

If your BitLocker-protected drive asks for a recovery key instead of the PIN, or if changes to th...

Fix Command Prompt 'Connection Failed Permission Denied' Error

When you see 'connection failed permission denied' in Command Prompt, it usually means your user ...

Fix Command Prompt Proxy Settings 502 Bad Gateway

If you see a 502 bad gateway error when using command prompt tools like curl, npm, or git, the pr...

How to Fix BitLocker Stuck on Loading Screen for SSD and HDD

You enter your BitLocker PIN or password, but the system hangs on a black screen with a blinking ...