Corrupted DNS cache or network stack can cause timeouts.
Run Command Prompt as Administrator and enter these commands one by one: unlock tool invalid username or password or server timeout
ipconfig /flushdns
ipconfig /release
ipconfig /renew
netsh int ip reset
netsh winsock reset
After each command, press Enter. Then restart your PC. Corrupted DNS cache or network stack can cause timeouts
Since Unlock Tool servers may be geographically distant, a VPN can sometimes route you through a better path. After each command, press Enter
After VPN connection, test the login again.
If you downloaded the software from a third-party site (not the official website) or are trying to use a "crack" or "loader" to bypass the login: