What the error of 10060 of pro

What the error of 10060 of proxifier. Always seem to happen everyday once or twice, does the server restart?



[10.03 16:55:57] GundamOnline_CHINA.exe - 61.130.24.175:80 error : Could not connect to proxy 47.89.27.152:18081 - connection attempt failed with error 10060