
Fix Windows Defender High Memory Usage & Error 0x80070002
You might see Windows Defender consuming a lot of memory, and then get error code 0x80070002 when...

You might see Windows Defender consuming a lot of memory, and then get error code 0x80070002 when...

After a Windows Update, you might see an SSL certificate error when using Windows Search (e.g., s...

When you open Microsoft Store and see 'Service unavailable' or 'Something went wrong' with error ...

You try to access a shared folder or network drive and get: "Windows Security - Authenticatio...

You open PowerShell, run a command to connect to Office 365, and get an error: "Cannot connect to...

Windows Defender (now Microsoft Defender Antivirus) sometimes fails to apply settings or behaves ...