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

Fix Windows Search Blank Screen When Clicking Start Menu

If clicking the Start menu shows a blank search screen instead of the usual results and apps list...

Fix Windows Search 504 Gateway Timeout Due to Antivirus Interference

If you're seeing a "504 Gateway Timeout" error when using Windows Search—especially when searchin...

How to Enable Command Prompt When Disabled by Administrator

If you try to open Command Prompt and see a message like “Command Prompt has been disabled by you...

Fix OneDrive Error 0x8004de40: Cannot Connect to Server

If you see the error "OneDrive cannot connect to server" with code 0x8004de40, it usually means O...

How to Fix Command Prompt Authentication Failed Error

When you see “authentication failed” in Command Prompt, it usually means the system couldn’t veri...

Resolving npm Dependency Conflicts After an Update