CHARON-VAX - Segmentation violation when starting a service
Table of contents
Problem
A CHARON virtual machine can be started using the launcher but fails with segmentation violation when started as a service
Related versions: CHARON-VAX V4.71 running on Windows 7 and Windows 2008 R22
1: other versions could be affected
2: case not reproduced on other Windows versions
After an upgrade or a patch installation, the workaround must be applied again
Example - Successful start from the launcher
Example - failure to start the service
Solution
- Open the System Properties, Advanced system settings or run "systempropertiesadvanced" from the Windows Run command (Windows Key + R ), click on Performance Settings.
- Select the "Data Execution Prevention" tab then:
- either verify "Turn on DEP for all programs and services except those I select" is checked, find the emulator in the list, remove it and add it again (no reboot necessary).
- or check the "Turn on DEP for essential Windows programs and services only" box (reboot mandatory).
This is the recommended solution to avoid applying the workaround after an upgrade or a patch installation.
- either verify "Turn on DEP for all programs and services except those I select" is checked, find the emulator in the list, remove it and add it again (no reboot necessary).
- Start the CHARON service
- If the service still fails to start, please contact support
Example - open Advanced System Properties
Example - remove DEP entry
Example - add DEP entry manually
Emulator exe file is in this case located in "C:\Program Files (x86)\CHARON\Build_17101\x86" folder
Example - restart the service
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