Windows Azure Compute Emulator无法启动问题解决方案

Visual Studio 2013安装了Windows Azure SDK 2.7，但启动Emulator调试时，出现如下错误：

Error: The installed Windows Azure Emulator does not support the role binaries. Please install the latest Windows Azure Emulator and try again.

Windows Azure Tools: The system is missing a prerequisite to execute the service. Please see the release notes.

卸载2.7版本后再次重装还是无法解决，于是干脆把之前装的2.5、2.6全部卸载，再次重新安装2.7问题解决。