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

Fix Remote Desktop Black Screen After Connection

You connect to a remote PC via Remote Desktop (RDP) and see only a black screen. The cursor moves...

Fix OneDrive Not Syncing Despite Internet Connection

You have a working internet connection—other sites load, email works—but OneDrive shows a sync er...

Fix PowerShell Proxy Authentication Failed Errors

Fix Microsoft Store Not Opening After Update

After a Windows update, the Microsoft Store may fail to open or load properly. This is often due ...

Fix Windows Search Indexing Permission Denied Error

When Windows Search indexing stops working and shows a "permission denied" error, it usually mean...

Fix Windows Defender Port Already Allocated in Event Viewer

If you see 'port already allocated' errors in Event Viewer related to Windows Defender, it usuall...