Application: AutoCAD Version: Z.77.0 Error: Unhandled exception operation

There is only one solution. Uninstall all versions of Microsoft .NET Framework, including the Microsoft .NET Framework Chinese package. Then uninstall autocad and restart the computer. Installing autocad again can solve fatal errors and errors in the public language runtime debugging service.

Note: The Microsoft .NET Framework program will be automatically detected before installing CAD. and install automatically before you can install CAD

After the installation is complete, you can start the product, but if you try to execute a command or select an option from the user interface, the product crashes with the following error message:

7c81eb33h An unhandled e0434f4dh exception error occurred.

This problem often occurs in the series of vertical products of AutoCAD2010;

The reason for this error is improper installation of Microsoft .NET Framework 3.5 Service Pack 1.

You can download and install Microsoft .NET Framework 3.5 SP1 directly from the following Microsoft website:

/downloads/details.aspx?FamilyID=AB99342F-5D1A-413D-8319-81DA479AB0D7&displaylang =en

After successfully installing .NET Framework 3.5 SP1, the product will run normally

Solution:

Enter the CAD installation directory and go to Autodesk\ Directory of AutoCAD 2018, find the file AcVMTools.crx

Note that it is not the AcVMTools.arx file, the suffix is ??different

Delete AcVMTools.crx, or change its suffix Change it to .crx1, such as AcVMTools.crx1

The error message will be eliminated after reopening AutoCAD.

Tips:

This folder is related to CAD calculation tools, and some CAD-based calculation commands may be affected.

Application error problems:

1. Trojan viruses cause commonly used viruses to bundle applications and system files, and then security anti-virus software scans and kills Trojan virus applications and system files.

2. The application component is missing. The complete operation of the application requires the support of some system files or certain LL files. This may also occur if the application component is incomplete.

3. System files are damaged or lost, and this problem is likely to occur with pirated systems or Ghost versions of systems.

4. The operating system itself has problems, and the operating system itself will also have bugs.

5. Hardware problems, such as the memory module is broken or has quality problems, or the gold finger of the memory module is extremely dusty.

Solutions to application errors:

1. Check whether there are viruses on your computer. Please use Baidu Defender to scan and kill Trojans.

2. System files are damaged or lost, and this problem is likely to occur with pirated systems or Ghost versions of systems. Recommendation: Use the full version or genuine system.

3. If the installed software conflicts with the system or other software, find the conflicting software and uninstall it. If the update download patch is not an incorrect patch for the software, it will also cause software abnormalities. The solution is to uninstall the software, re-download and re-install it. By the way, check the startup items and disable startup items that are unnecessary.