
Fix Windows Security Authentication Failed Smart Card Not Working
You insert your smart card, enter your PIN, and Windows Security reports “Authentication failed.”...

You insert your smart card, enter your PIN, and Windows Security reports “Authentication failed.”...

You click to open Windows Defender Security Center and see a 404 page, or the Settings app shows ...

You open Windows Security and see a red banner: 'Security service unavailable. Restart your devic...

You open Microsoft Store to install or update an app, and get error code 0x80073cf0. Usually this...

You open PowerShell and see an error about invalid configuration settings—perhaps a yellow warnin...

If you see an Event ID error in Windows Event Viewer indicating that the Windows Search service f...