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

How to Fix Windows Security Not Responding or Loading

Windows Security (formerly Windows Defender) may sometimes get stuck on a loading screen or show ...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...

Chrome Startup Pages Not Loading: 6 Fixes to Try

If your Chrome startup pages are stuck loading or show a blank screen, it's usually a local setti...

Remote Desktop Black Screen After Connection: How to Fix

You connect to a remote PC via Remote Desktop Protocol (RDP), see the login screen, but after ent...

How to Update PowerShell on Ubuntu

If you installed PowerShell on Ubuntu via the official Microsoft repository, updating is straight...

Fix 'Microsoft Teams Proxy Authentication Required' Error

You open Microsoft Teams and instead of your chat list, you see a message: "Proxy authentication ...