运行regedit，打开注册表编辑器，添加以下值，或直接下载此文件（Win7补丁KB3061518造成CATIA LICENSE设置失效问题-注册表修复.rar）运行，将导入以下值
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\KeyExchangeAlgorithms\Diffie-Hellman]
“ClientMinKeyBitLength”=dword:00000200