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

Fix Microsoft Teams Blank Screen by Disabling Hardware Acceleration

If Microsoft Teams shows a blank or black screen on startup or during a call, hardware accelerati...

Fix Microsoft Store Error 0x80073cf0 Dependency Conflict

You see error 0x80073cf0 when trying to install or update an app from the Microsoft Store. The me...

Fixing PowerShell Authentication Failed Due to Certificate Errors

When PowerShell commands fail with "Authentication failed" and mention certificates, the issue is...

Fix Task Scheduler 502 Bad Gateway Not Working

If you see a 502 Bad Gateway error when Task Scheduler runs a task that hits a web service or IIS...

How to Fix High Memory Usage by Command Prompt (cmd.exe)

You open Task Manager and see that Command Prompt (cmd.exe) is using 500 MB or more of RAM. That'...

How to Fix Network Errors in Command Prompt