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Question by user-1613 (google) · Mar 12, 2010 at 05:33 AM · crashstartupwindows-7

Unity doesn't start on Windows 7 x64?

Unity doesn't start for me. Unity 2.6.1 indie version silently just quits when I try to start it. It doesn't matter if I start with Administrator privileges or not, or from command line or not. The process gets created, then almost immediately exits. No log file is created.

I'm using Windows 7 x64, GeForce G210M graphics, all the latest available patches and drivers.

Help?

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avatar image Lance Sun · Mar 13, 2010 at 08:49 AM 1
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I'm running Windows 7 64-bit, and Unity is working for me.

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Answer by user-1613 (google) · Mar 14, 2010 at 10:44 PM

I had tried the Alt thing, and it didn't work.

It turns out that Unity is not compatible with Data Execution Prevention, so I have to create an exception for it, which I'm really unhappy about -- I want to run a secure machine, and there's no really good reason for modern software to not take this into account. If you use JIT code generation, there are ways to mark the data as executable before you jump to it, for example.

Also, it would probably be good if the installer tested for this, and warned you up front.

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avatar image Nicholas.du · Mar 15, 2010 at 01:46 PM 0
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There's something wrong with your machine. I'm running Unity 2.6 on Windows 7 x64 w/ DEP enabled just fine.

avatar image Jen Grier · Mar 15, 2010 at 05:27 PM 0
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I had the same problem!

avatar image mrcaron · Aug 12, 2011 at 07:56 PM 0
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I can't run Unity on my x64 win 7 box and I have DEP turned off except for essential windows programs. $$anonymous$$y web player doesn't work either.

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Answer by AGP · Dec 21, 2010 at 03:34 AM

Is there at least a x64 Windows version of the Unity Player on the horizon? That's really very important (and even more to the Unity people since Adobe has recently released a stable x64 version of Flash).

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Answer by lowbloodsugar · Mar 12, 2010 at 07:41 PM

Did it ever work? You can try holding down the "Alt" button when starting up Unity then creating a new project.

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Answer by Daniel 4 · Apr 03, 2010 at 01:02 AM

If you had enabled DEP (System properties/Advanced/Performance/Data Execution Prevention) for all programs and services, just add Unity.exe to exception list.

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avatar image user-1882 · Apr 06, 2010 at 10:59 PM 0
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we did it, dont work.

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Answer by KingLouie · Apr 14, 2010 at 04:38 AM

I have the same problem and have tried all your solutions. It has been working perfectly for months but now it suddenly doesn't start. It's not a DEP problem!

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avatar image THATNormalestPeep · Dec 16, 2020 at 09:14 PM 0
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I'd try downloading either KB3063858 or KB4457144.

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