Unreal Frontend Crashes on Start after 4.5 Update


I have been getting this crash every time I start UFE since the 4.5 update.

Howdy Tuski,

Thank you for reporting this issue. Would you be able to attach your DXdiag to this post? I have just attempted a quick repro of the issue and have been unsuccessful.

Would you be using a binary or source build of UE4?

Thanks and have a great day!

Hi Tuski,

I believe this to be caused by a serialization bug that was fixed in 4.5 but also exposed by changes in 4.5
So I’d guess that you are running from source.
While on 4.4 (or whatever previous version you were running) you built UFE.
My guess is you haven’t built UFE since 4.5. (or haven’t built it in development which is likely the version your launching).

Let me know if that helps at all.

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Hi Chris,

It actually works now after cleaning and rebuilding. I hope it will not crash again.

Thanks for the help!