Fix Error Code: 0xe0434352 – The exception unknown software exception occurred in the application

An unknown software exception (0xe0434352) is an error that some Windows users report when they shut down their computer or try to start an application. The unknown software exception (0xe0434352) is an error related to the .NET installation. Most of the causes of this error lie in a faulty .NET framework. Another reason is corrupted files or old drivers conflicting with Windows.

There are several fixes that can fix this problem. However, create a system restore point before starting. If something goes wrong, you can use a system restore point to return your computer to a previous state.

An unknown software exception (0xe0434352) occurred in the application at 0x77312c1a.

Repair .NET with Framework Repair Tool

The .NET Framework Repair Tool, created by Microsoft, was created to repair framework damage for systems running Windows 7 or higher. .NET Framework 4.6.1, 4.6, 4.5.2, 4.5.1, 4.5, 4.0, and 3.5 SP1 are supported versions of the .NET Framework.

Run check disk

Check Disk is one of the first and best PC troubleshooting tools. To run this system program, start an elevated command prompt and type chkdsk / f at the command prompt. You can also run chkdsk / r or chkdsk / v. However, keep in mind that these commands will take longer to complete than normal disk scan commands due to the additional tasks your computer is performing.

Reinstall .NET Framework

  1. Press the Windows key + X, then select Control Panel.
  2. Click Uninstall a program and find .NET Framework in the list.
  3. Right-click .NET Framework and select Uninstall.
  4. When prompted to confirm, select Yes / OK.
  5. After the uninstallation is complete, you will need to restart your computer to save the changes.
  6. Now press Windows key + E and go to the Windows folder: C: \ Windows \
  7. In the Windows folder, rename the Assembly folder to Assembly1.
  8. Rename Microsoft.NET to Microsoft.NET1 in the same way.
  9. Press Windows Key + R, type “regedit” and press Enter.
  10. Change to the following registry key: HKEY_LOCAL_MACHINE \ Software \ Microsoft.
  11. Remove the .NET Framework key, shut down everything and restart your computer.
  12. Download and install the .Net Framework.

Run System File Checker

Files can be damaged during normal use of your computer. This is the case when the System File Checker, a command line tool, can be used to repair corrupted system protected files.

  • Open an elevated command prompt
  • Enter sfc / scannow. The process takes some time. So be patient.
  • Restart your computer for the update to take effect.

Use system restore

System Restore is like a time machine on your computer. It shows you the restore points where your computer is working properly. If you receive this error message and you are confident that your computer is not physically damaged, you can use System Restore to return to the setup that works for you.