Unable to checkout a license.  Vsim is closing.
** Fatal: Invalid license environment. Application closing.
Unable to checkout a license. Make sure your license file environment variables are  set correctly and then run 'lmutil lmdiag' to diagnose the problem.
Modelsim-Altera uses the following environment variables to check the licenses (listed in the order of preference)
1. MGLS_LICENSE_FILE
2. LM_LICENSE_FILE.
安装的quartus13.0 按照网上的安装教程应该是破解了，但是不知道为什么会出现这个错误。