Fatal Error on AutoCAD 2012

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Anybody knows how to fix “Fatal Error Unhandled E0434352H Exception at FD4CA49DH” on AutoCAD 2012 Student Version?

I am unable to use the program due to this error. I need help please.

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Best Answer by Perlas Draplin
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Answered By 0 points N/A #102653

Fatal Error on AutoCAD 2012

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 Dear Hudson,

Please follow the below mentioned steps in sequence to rectify the issue.

Step 1:Select Enable/Disable Digital signature icon by Right Clicking on *.exe or *.zip file on the windows explorer. Uncheck the check box next to Validate Digital signature and display special icons. Reboot the system after these changes.

Step 2: Sometimes registry corruption can be a probable cause of the issue. Hence it becomes important to check the recommended registry values for AutoCAD, relating to communication center.This might be a bug in the software.

Navigate the registry key mentioned below and set the following value – "LastUpdateTimeLoWord"=dword:00000000 and "LastUpdateTimeHiWord"=dword:00000000

HKCUSoftwareAutodeskAutoCADR18.0ACAD-8000:409WebServicesCommunicationCenter
 Any deviation in the value of dword should be reset as shown above.

Restart the system to implement the Registry changes.

Answered By 0 points N/A #195019

Fatal Error on AutoCAD 2012

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Generally this error has to do with a problem in the Microsoft .NET Framework. You probably need to uninstall the older versions and reinstall .NET Framework 3.5 SP2 and/or .NET Framework 4.0. 
 
In Windows Explorer, right click on .exe or .zip file. On the shortcut menu, click on 'Enable/Disable'  Digital Signature Icons.
 
Then clear the Validated Digital Signatures and Display Special Icons check boxes.
 
Restart the system.
 
Answered By 566010 points N/A #102654

Fatal Error on AutoCAD 2012

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When using AutoCAD, make sure your system meets the requirements especially the required memory. For AutoCAD 2012, it supports Windows XP (Home or Professional) Service Pack 3, Windows Vista (Enterprise, Business, Ultimate, or Home Premium) Service Pack 2 or higher, and Windows 7 (Enterprise, Ultimate, Professional, or Home Premium).

It requires at least Intel Pentium 4 1.6 GHz or faster processor with SSE2 support, 1 GB RAM, 1.4 GB free hard drive space, and 1024 x 768 true color screen resolution. Actually, you can get fatal error with any program not only with AutoCAD. I usually experience it when my system is very low on resources. This can happen if there are other programs running in the background.

If you have a very tight memory capacity, make sure no other programs are running in the background when you are working on AutoCAD. If your memory capacity falls way below the required 1 GB capacity, you should add more RAM. Also, if you are using Windows XP, you should update to the latest Service Pack. Download and install Windows XP Service Pack 3.

This is the latest and last Service Pack update for Windows XP after Microsoft ended its support. If this doesn’t fix the problem, try updating AutoCAD to the latest Service Pack. Download and install AutoCAD 2012 Service Pack 2.

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