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

Python Module Not Found Despite pip list Showing It

You run pip list and see the module is installed, but when you try to import it in P...

Fixing Certbot Certificate Renewal Failed Error Code

You run certbot renew and get an error code instead of a renewed certificate. This i...

Fix Microsoft Teams DNS Error During Office 365 Setup

When setting up Microsoft Teams as part of Office 365, you might encounter a DNS error that preve...

How to Fix Abnormal Memory Usage in CMD on Windows

Windows Search Token Expired: Quick Fixes

If you see 'token expired' while using Windows Search, it usually means the search index or relat...

Outlook Not Sending Emails: Practical Fixes for Common Causes

You compose an email, hit Send, and it sits in the Outbox. Or you get a vague error like “Tas...