help > Error running latest MRIcroGL v1.2 releases
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Apr 8, 2021  08:04 PM | Christopher Hyatt
Error running latest MRIcroGL v1.2 releases
I get a pop-up error when running MRIcroGL if I use the latest releases. The pop-up states 

'Access violation.'
'Press OK to ignore and risk data corruption.'
'Press Abort to kill the program.'

I can run the first release of MRIcroGL v1.2 without error, at least so far. I haven't tried all the releases.

I'm running Windows 10 64-bit, 32 MB of RAM, and have a fairly high-end Nvidia 3D graphics card. I ran it on another computer with the same error.
Both computers use AMD cpus, which might be the source of the problem.

Is anyone else getting this error?

Thanks,
Chris
Attachment: error.png
Apr 9, 2021  01:04 PM | Chris Rorden
RE: Error running latest MRIcroGL v1.2 releases
I just downloaded MRIcroGL for Windows 1.2.20210317 from here
  https://www.nitrc.org/projects/mricrogl/
and it ran well. Have you tried starting the program from the command line with the "-R" argument to force a hard reset:
  MRIcroGL -R
The tool has been tested and developed on AMD, Intel and ARM (for MacOS) CPUs, so that is not the issue.
Apr 9, 2021  03:04 PM | Christopher Hyatt
RE: Error running latest MRIcroGL v1.2 releases
Originally posted by Chris Rorden:
I just downloaded MRIcroGL for Windows 1.2.20210317 from here
  https://www.nitrc.org/projects/mricrogl/
and it ran well. Have you tried starting the program from the command line with the "-R" argument to force a hard reset:
  MRIcroGL -R
The tool has been tested and developed on AMD, Intel and ARM (for MacOS) CPUs, so that is not the issue.

I tried the hard reset option with version 1.2.20210317 (-R option at Administrator DOS prompt), but still have the same issue (Access violation).  I'll continue using the older version. Thanks for your help. 
Apr 13, 2021  08:04 PM | Chris Rorden
RE: Error running latest MRIcroGL v1.2 releases
I have created a release for people with legacy computers built before 2011 that do not support the CLMUL instruction. You can download MRIcroGL_obsolete_windows.zip from here
  https://github.com/rordenlab/MRIcroGL12/releases/tag/v1.2.20210317
I would only suggest that version for people who have obsolete computers, the instruction accelerates modern computers.