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Fix Windows Security Service Unavailable Permission Denied

You open Windows Security and see 'Service unavailable' or 'Permission denied'. The app may not o...

Fix Windows Defender Version Mismatch Sync Errors

You see a message that Windows Defender definitions are out of sync, or that the client and serve...

How to Fix Windows Update Error 0x8024402c

When Windows Update fails with error 0x8024402c, it usually means the update client can't connect...

How to Reduce PowerShell High Memory Usage

You open Task Manager and see PowerShell consuming 1 GB or more of RAM. This usually happens afte...

How to Unlock a File Locked by Windows Security

You try to open or delete a file, and Windows says it's locked by Windows Security. This usually ...

Fix Error 0x80070005 Access Denied in Command Prompt