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

How to Fix Microsoft Store Not Opening After Update

After a Windows update, the Microsoft Store may fail to open—clicking the icon does nothing, or i...

Fix Antivirus Causing High CPU Usage in Command Prompt

If you notice high CPU usage in Task Manager under Command Prompt, your antivirus software may be...

How to Fix Windows Security Not Opening

You click the Windows Security icon in the taskbar or open it from Settings, but nothing happens—...

Fix Windows Command Prompt Permission Denied Error

You open Command Prompt, type a command, and get 'Access Denied' or 'Permission denied'. This oft...

Fix Microsoft Edge Update Failed: Permission Denied Error

You see 'Update failed: Permission denied' when trying to update Microsoft Edge. This usually mea...

How to Fix Abnormal Memory Usage in CMD on Windows