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

Windows Search Not Showing Results: Quick Fixes

If your Windows Search returns no results or shows an empty list even though files exist, the sea...

How to Set Up Remote Desktop on Windows 11

Before You Start

Remote Desktop lets you connect to your Windows 11 PC from another devic...

Fix PostgreSQL Connection Refused on Port 5432

When you see psql: error: connection to server at ... failed: Connection refused on ...

How to Fix Jupyter Notebook Token Authentication Error

When you start Jupyter Notebook, you might see a prompt asking for a token or password, or the br...

Microsoft Teams 504 Error: Causes and Fixes

When Microsoft Teams shows a 504 error, it usually means the server gateway timed out while tryin...

How to Fix Microsoft Store SSL Certificate Error

You open the Microsoft Store and see an SSL certificate error—something like "A problem with your...