Cura 2.1.3 crashes at "changelog" opening panel

Discussion of Ultimaker's open-source Cura software
R.G.
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Cura 2.1.3 crashes at "changelog" opening panel

Post by R.G. »

I have searched for an answer on this one, but have not found anything relevant. If the info exists, please point me to it.

I have installed Cura 2.1.3 for 64 bit windows on my controller machine, and it crashes at each start of the Cura software. The crash is always immediately after the "Changelog" pop-up is placed on the screen, but before there is any text in that window. I have tinkered with windows compatibility settings and reinstalled Cura, rebooted, etc., all the normal stuff, and still it stops at that panel.

Any pointers for me?
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LePaul
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Re: Cura 2.1.3 crashes at "changelog" opening panel

Post by LePaul »

Which version of Windows? Windows 10 Anniversary (latest)?

Anything else open/running when you load it? Is it an issue you can repeat on another computer?
R.G.
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Re: Cura 2.1.3 crashes at "changelog" opening panel

Post by R.G. »

Windows 7 64bit, home premium. Haven't tried on another computer.
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Re: Cura 2.1.3 crashes at "changelog" opening panel

Post by LePaul »

Okay, my work PC runs that version and runs it fine. I haven't seen that crash before

Just the basics..cleared our temp/junks files recently?
R.G.
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Re: Cura 2.1.3 crashes at "changelog" opening panel

Post by R.G. »

Nope. I'll go check that. Could be.
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Re: Cura 2.1.3 crashes at "changelog" opening panel

Post by Izzy »

Hi RG, check your anti virus,
I had this issue with Pandasoft, I could install it and run it 1st time, but next time it would not run, I needed to let the antivirus know that Cura was an acceptable program and allow it to run.
That worked for my setup.
R.G.
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Re: Cura 2.1.3 crashes at "changelog" opening panel

Post by R.G. »

OK, tried making it OK with anti-virus. No change in operation.
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Re: Cura 2.1.3 crashes at "changelog" opening panel

Post by R.G. »

Had a brainstorm. I saw some python debugging stuff on cura crash notes on the net, and I wondered if I even had a working python on the machine.

Nope, no python.
Installed python 2.7.?.?, verified that python was there, running, and in the path,

and got exactly the same results. Crash at the "Changelog" panel.

"cura" text file in the cura directories shows the last message to the file is "backend connected on port 49374" for each try to bring Cura up.

I thought I had it with python.
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LePaul
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Re: Cura 2.1.3 crashes at "changelog" opening panel

Post by LePaul »

I use CCleaner to purge out the junk/logs and also use it to clean up the registry (free version does all this)

Might help?
R.G.
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Re: Cura 2.1.3 crashes at "changelog" opening panel

Post by R.G. »

More data.
2.1.3 runs on another machine with Win7 64bit, so it's not an obvious Win7 problem.
Installed Cura 15 on the machine. Runs fine. Problem is with machine and 2.1.3.
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Re: Cura 2.1.3 crashes at "changelog" opening panel

Post by nallath »

Cura 2.1.3 uses python 3.4, but it should install that by itself. Besides, if you don't have python, it wouldn't even show the splash panel.

You could try to run cura with command line -> "cura.exe --external-backend" This runs cura without a backend. If it then doesn't crash, it's most likely your firewall.

Another option would be to update your video drivers, as the point where the changelog pops up is also the bit where we start rendering openGL / 3D stuff.
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Re: Cura 2.1.3 crashes at "changelog" opening panel

Post by R.G. »

OK, that makes sense. If that's where you start relying on openGL, it's probably an issue with the drivers and openGL stuff. I'll go tinker there.

Is it significant that 15.04.06 runs but 2.1.3 does not?
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Re: Cura 2.1.3 crashes at "changelog" opening panel

Post by nallath »

15.04 uses a way older version of openGL. But at some point it's just no longer worth the effort to continue supporting ancient opengl versions.
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Re: Cura 2.1.3 crashes at "changelog" opening panel

Post by R.G. »

That makes sense.
So, restating, my problem is that recent versions of Cura, including 2.1.3, require a newer version of openGL than earlier versions of Cura. My machine probably does not have the later version of openGL, and I cannot find more updated drivers. So my workaround is to use an older version that can still run on [old openGL].

Since I'm doing what a lot of people will do, recycling an older machine for this purpose, it would make sense to list the prerequisites for versions of Cura that limit use of older machines. Who should I send this suggestion to?
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Re: Cura 2.1.3 crashes at "changelog" opening panel

Post by LePaul »

How old a machine is this? What sort of video card/onboard video?
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