I start ANSYS CFX 10 using the desktop icon. When I last used ANSYS CFX 10 (last Friday) it was working fine; today (Monday) I get an icon appearing in the Task bar which quickly goes away again and the Launcher does not open. I am running on a PC with Windows XP installed and the machine is also the license server.

To see if any further error messages are produced open a DOS Command Prompt window and change to the ANSYS CFX 10 installation directory (which by default will be c:program filesansys incCFXCFX-10.0) and then change to the bin directory. Type the command


which should open up the Launcher. If this gives the following error message:

A fatal error has occurred in cfx5solve:

Please ensure that either HOMEDRIVE and HOMEPATH or the HOME environment
variable is set before running CFX-5.

then it is possible that a Windows XP Hotfix may have been applied to the machine between the last successful use of ANSYS CFX 10 and now. Refer to the URL <a target=_blank href="http://support.microsoft.com/kb/824898/en-us">http://support.microsoft.com/kb/824898/en-us</a>http://support.microsoft.com/kb/824898/en-us for a description of this problem and a resolution.

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