Checklists for software errors, setup, and tool workflows.

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Fix Windows Terminal 504 Error After Update

After a recent Windows update, you might see a '504' error when opening Windows Terminal. This us...

Fix Windows Defender Sync Issues with Microsoft Account

If you've signed into Windows with your Microsoft account and notice that Defender settings—like ...

Outlook Sync Issues with IMAP Accounts: How to Fix

If you use an IMAP account in Outlook and find that emails aren't showing up, sent items disappea...

Certbot Nginx Plugin Install Failures: Common Fixes

When you run certbot --nginx and get an error like "The nginx plugin is not working"...

Fix MySQL Connection Refused on Localhost

You try to connect to MySQL on localhost and get ERROR 2003 (HY000): Can't connect to MySQL...

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...