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

How to Fix Windows Defender Service Unavailable in Windows 10

If you see 'Windows Defender service unavailable' in Windows 10, the antivirus may be disabled or...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

Fix 'Access Denied' Error When Using Net User in Command Prompt

When you run the net user command in Command Prompt and see an 'Access Denied' messa...

Chrome Not Opening on Windows 10? Here's How to Fix It

You click the Chrome icon, but nothing happens. The browser doesn't start, no window appears, and...

Fix 'Windows Search Port Already Allocated' After Update

After a recent Windows update, you may see an error message like “Windows Search port already all...

Fix Windows Defender Access Denied Error When Running Command Prompt as Admin

When you run a Windows Defender command (like MpCmdRun.exe -Scan -ScanType 2) in Com...