Some antivirus software such as Norton 360 may incorrectly flag vish.exe in the ModelSim-Altera Edition software version 10.4b and later as an infected virus file.
If you are using Norton 360, it incorrectly flags vish.exe as a virus. This happens during use of the ModelSim-Altera Edition simulator rather than during installation.
To work around this problem, add vish.exe to the antivirus exclusion list. Vish.exe is located in the /win32aloem directory.
For Norton 360 follow these steps:
- Go into Norton Security Suite
- Choose Settings
- Choose Antivirus
- Choose the tab "Scans and Risks"
- Under "Scans and Risks" choose "Items to Exclude from Auto-Protect, SONAR and Download Intelligence Detection", Configure [ ]
- Select file "[Altera installation directory]\15.1\modelsim_ase\win32aloem\vish.exe
Mentor Graphics is working with the antivirus vendors to fix this problem.