
Fix Windows Activation Blocked by Firewall
When Windows can't activate, one common culprit is the firewall blocking the connection to Micros...
Software troubleshooting desk

When Windows can't activate, one common culprit is the firewall blocking the connection to Micros...

You plug in your BitLocker-encrypted USB drive, enter the password, and get an 'access denied' me...

You've tried clearing the Windows activation cache using slmgr /rearm or deleting th...

You change the font, layout, or colors in Command Prompt, click OK, but the next time you open it...

You're in a meeting, click the share button, and nothing happens—or your screen shows a black box...

If you're seeing an error about a security token being expired or configuration being invalid, it...