Description
The Quartus® II software for Linux version 8.0 SP1 and earlier may not launch correctly when a new desktop session is started on machines with non-US locales installed.
This problem is scheduled to be fixed in the next release of the Quartus II software, and is related to the third-party MainWin software.
A patch is available to fix this problem, download and install patch 1.37 for the Quartus II software version 8.0 SP1 on Linux.