Knowledge base for software setup, errors, and daily tool work.

Fix 'Outlook Service Unavailable' After Disabling Firewall

If you disabled your firewall and now Outlook shows 'service unavailable,' you’re not alone. This...

Command Prompt Dependency Conflict Troubleshooting Checklist

How to Fix Windows Update 502 Bad Gateway Error

You're trying to run Windows Update and you get a 502 Bad Gateway error. The update check fails, ...

Fixing Outlook SSL Certificate Errors During Setup

When setting up an email account in Outlook, an SSL certificate error can block the connection. Y...

Fix Chrome Profile SSL Certificate Error: Permission Denied

You try to visit a secure site in Chrome and get an error like ERR_SSL_PROTOCOL_ERROR or...

Checklist for Windows Update Stuck Issues

Windows Update can freeze at any stage—checking for updates, downloading, or installing. This che...