RVCT编译错误 Cannot obtain license for Compiler

 找不到文件
 找不到文件
 Error: C9932E: Cannot obtain license for Compiler (feature compiler) with license version >= 3.1:
 Cannot find license file.
  The license files (or license server system network addresses) attempted are
 listed below.  Use LM_LICENSE_FILE to use a different license file,
  or contact your software provider for a license file.
 Feature:       compiler
 Filename:      C:\flexlm\license.dat
 License path:  C:\flexlm\license.dat
 FLEXnet Licensing error:-,.  System Error:  "No such file or directory"
 For further information, refer to the FLEXnet Licensing End User Guide,
 available at "www.macrovision.com".

这个错误的原因已经描述的很清楚了。找不到文件C:\flexlm\license.dat，将我们的文件rvds.dat放在这个位置并生命为C:\flexlm\license.dat就可以了啦。

 Error: C9932E: Cannot obtain license for Compiler (feature compiler) with license version >= 3.1:
 System clock has been set back
 
 For further information, refer to the FLEXnet Licensing End User Guide,
 available at "www.macrovision.com".