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

How to Fix Remote Desktop Blank Screen After Connecting

You connect to a remote Windows machine via Remote Desktop (RDP), authentication succeeds, but yo...

How to Fix Windows Security Blank Screen Issue

When you open Windows Security and see only a blank white or black screen, the app isn't loading ...

Fix Windows Activation Proxy Server Not Responding

When you try to activate Windows and see “proxy server not responding,” it usually means Windows ...

Fix OneDrive High CPU Usage When Uploading Files

If you notice your CPU usage spiking while OneDrive is uploading files, you're not alone. This of...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED on Windows 10

If you see ERR_TUNNEL_CONNECTION_FAILED in Chrome while browsing on Windows 10, ...

Fix KMS Activation Error: Port 1688 Already in Use