C3d 2010 crashes with a fatal error when opening and gives the message Fatal Error: Unhandled e0434f4dh Exception at 754fb9bch. It had been working fine up until a few days ago. A solution to a previous post suggested resetting the user settings through the Registry Editor. Any other suggestions before I attempt to do that? Thanks.
Go to Control Panel, select Programs and Features, find AutoCAD Civil 3D [version] and double click on it. That should bring up the Maintenance screen (it looks like C3D is starting). There you'll find the option to Repair.
Glad it's working for you. I'd guess that even though the repair was canceled, it was able to update the file or registry value that was causing you trouble.
I had this EXACT same issue with AutoCAD C3D 2010. I'm going to point you to another post about this, and look at post 8 of 14 in this thread. That is the solution I used, and never had a problem after. Now, I run 2012, but I had 2010 for a few months after this fix and this was the solution.
Again, read post # 8 on that thread.
I have a post on that thread just below it how to do it, if you're unfamiliar.
Hope this helps.
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