
Fix Windows Security Not Starting After Update
After a Windows update, you might find that Windows Security won't open, or it shows a blank wind...

After a Windows update, you might find that Windows Security won't open, or it shows a blank wind...

When Windows Security shows a 404 error on startup, it typically means the app can't find its req...

You try to run Windows Update and get an error like "Authentication failed" or "0x80070005" – and...

After a Windows Terminal update, you might notice sluggish typing, slow scrolling, or delayed com...

When you try to open Windows Defender (now called Microsoft Defender Antivirus) and see error cod...

If you're using PowerShell to call REST APIs — especially Microsoft Graph, Azure, or GitHub — you...