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Every time I save, DC creates an .aec file, an .arb file, a .dbk file and an .arf file.

My manual goes into a lot of detail about how DC creates these files but I can't find anywhere that tells me how to open any of them. Interesting that a search for the above initials retrieves absolutely nothing from the forum.

I had a crash today and after rebooting, DC will not open my file. Right now I am at risk of losing two days' work. My error message is internal diagnostics fault 10 Error from: 74.

17 years of DataCAD and never had this happen. Lots of crashes but the file always opens after restarting DC.

The crash occurred when trying to erase a new poison entity (See my post March 16 this year).

Josh suggested last time if I posted the file here, he might have time to take a look at so will try that route. If you can open the file, the poison is on the layer "steel". Note that I tried to Repair but got the same error message.

Looking for any advice.

Thanks

joe

SOLVED!! AT LEAST FOR NOW...

I took the .arf file to a unique location, renamed it with an .aec extension and it worked.

We'll see how it behaves tomorrow...........

Well, the solution didn't last.

There seems to be no common thread that makes these crashes predictable. But they seem to be coming more often. I read a post by Neil some time ago that when a computer is getting tired, it can do some weird things to files. I'm ready to buy a new computer if that will fix things, but hate to put out a couple grand if not necessary.

Currently I am carrying on by copying all the unaffected parts of my work to a clean file and proceeding until the next crash. Not a good way to operate.

So I took the latest crash and isolated the problem to one entity, which is in the attached file. For anybody who is interested in playing with it, you can cause a crash by trying to erase it.

Sure would like to understand how this entity became corrupted.

joe

FWIW I can delete the polyline without any crash using 22.02.01.00.

joeferguson wrote:Well, the solution didn't last.

There seems to be no common thread that makes these crashes predictable. But they seem to be coming more often. I read a post by Neil some time ago that when a computer is getting tired, it can do some weird things to files. I'm ready to buy a new computer if that will fix things, but hate to put out a couple grand if not necessary.
joe

I had something along these lines last month on my workstation which has 3 drives. I did a scan of the main work drive, which is over 80% full, and it reported some errors so I allowed Windows to repair them. I then 'broke up' some directories/folders which had a lot of data in them (1-2TB), into smaller folders. I continued to re-scan the main drive daily each morning and after day 3 no more errors and it's been that way since and there's been no further issues.

Open a Windows explorer and pick the drive you wish to check, then Properties/Tools/Check and follow the prompts.

Joseph -- thanks for your response, but I will need a translation. What is 22.02.01.00?

Mark: My single drive is old (5 years) and also about 80% full. Will give that a look.

Thanks to both of you.

That's the current Datacad version I'm running.