
Fix Windows Security Error 0x80073b01: App Install Blocked
When you try to install a Windows app from the Microsoft Store, you might see error code 0x80073b...
Software troubleshooting desk

When you try to install a Windows app from the Microsoft Store, you might see error code 0x80073b...

If you recently changed your network—switched Wi-Fi networks, moved from Ethernet to Wi-Fi, or ch...

After a Windows update, you might see "Authentication failed" when trying to sign in to the Micro...

You try to activate Windows, but see an error about an SSL certificate or a secure connection fai...

When Windows Defender fails to sync with Microsoft 365, you might see alerts like "Can't connect ...

You're trying to activate Windows using Command Prompt, but you get an 'access denied' error. Thi...