Qt写了一个TcpServer监听端口的例子，程序可以正常运行，但是控制台总是报下面错误是怎么回事？

Error 2 in function StorageSystem::Registry::ATypeIOHandlerBase<4,0>::Read: RegGetValueW raised error 2: 系统找不到指定的文件。
Error 2 in function StorageSystem::Registry::ATypeIOHandlerBase<4,0>::Read: RegGetValueW raised error 2: 系统找不到指定的文件。
Error 2 in function StorageSystem::Registry::ATypeIOHandlerBase<4,0>::Read: RegGetValueW raised error 2: 系统找不到指定的文件。
Error 2 in function StorageSystem::Registry::ATypeIOHandlerBase<4,0>::Read: RegGetValueW raised error 2: 系统找不到指定的文件。
Error 2 in function StorageSystem::Registry::ATypeIOHandlerBase<4,0>::Read: RegGetValueW raised error 2: 系统找不到指定的文件。
Error 2 in function StorageSystem::Registry::ATypeIOHandlerBase<4,0>::Read: RegGetValueW raised error 2: 系统找不到指定的文件。
Error 2 in function StorageSystem::Registry::ATypeIOHandlerBase<4,0>::Read: RegGetValueW raised error 2: 系统找不到指定的文件。
Error 2 in function StorageSystem::Registry::ATypeIOHandlerBase<4,0>::Read: RegGetValueW raised error 2: 系统找不到指定的文件。
Error 2 in function StorageSystem::Registry::ATypeIOHandlerBase<4,0>::Read: RegGetValueW raised error 2: 系统找不到指定的文件。
Error 2 in function StorageSystem::Registry::ATypeIOHandlerBase<4,0>::Read: RegGetValueW raised error 2: 系统找不到指定的文件。
Error 2 in function StorageSystem::Registry::ATypeIOHandlerBase<4,0>::Read: RegGetValueW raised error 2: 系统找不到指定的文件。
Error 2 in function StorageSystem::Registry::ATypeIOHandlerBase<4,0>::Read: RegGetValueW raised error 2: 系统找不到指定的文件。
Error 2 in function StorageSystem::Registry::ATypeIOHandlerBase<4,0>::Read: RegGetValueW raised error 2: 系统找不到指定的文件。
Error 2 in function StorageSystem::Registry::ATypeIOHandlerBase<4,0>::Read: RegGetValueW raised error 2: 系统找不到指定的文件。
Error 2 in function StorageSystem::Registry::ATypeIOHandlerBase<4,0>::Read: RegGetValueW raised error 2: 系统找不到指定的文件。
Error 2 in function StorageSystem::Registry::ATypeIOHandlerBase<4,0>::Read: RegGetValueW raised error 2: 系统找不到指定的文件。
Error 2 in function StorageSystem::Registry::ATypeIOHandlerBase<4,0>::Read: RegGetValueW raised error 2: 系统找不到指定的文件。