Checklists for software errors, setup, and tool workflows.

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How to Fix PostgreSQL Password Authentication Failed for User

You see psql: error: FATAL: password authentication failed for user "youruser" when ...

Fix Microsoft Store 504 Gateway Timeout Not Loading

When you open Microsoft Store and see a 504 Gateway Timeout error, the app may not load at all. T...

How to Reset Chrome Profile Settings Correctly

If Chrome is acting up—settings won't save, extensions misbehave, or the browser crashes on start...

How to Check Chrome Browser Version Compatibility

You're testing a new web app or extension, and it fails to load or behaves oddly. Often the culpr...

Fix 'Could not get lock /var/lib/dpkg/lock' Error on Ubuntu/Debian

You try to install a package with apt or dpkg, and you get the error: Could not get lock /v...

Fix Outlook 504 Gateway Timeout: Check Internet Connection
If you see a 504 Gateway Timeout error in Outlook, it usually means the server didn't respond in ...