JIT (Just In Time) Debugging Error

in Applications,Runtime,Windows,Windows Registry

Is in not uncommon to get a JIT (Just In Time Debugging) error after you restart on log off and then log back on to your windows operating system like the one pictured below.

The JIT debugger is a utility that Microsoft provides when a program that was developed using visual studio or visual basic encounters a fatal error. The Utility lets you look at the error code before the program terminates. As you can see in the picture above, the debugger is asking which program you want to use to view the error information.

Once Visual Studio is installed on a machine, the default process when an exception occurs is for the debugger to ask the user to either answer the dialogue box or tell it to ignore the exception.

How to Fix the Error

Delete the following registry keys by:

  1. Clicking Start->Run and then typing regedit in the dialogue box and then clicking on OK as shown below.
  2. On 32-bit systems, delete the following two registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AeDebug\Debugger HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\DbgManagedDebugger

On 64-bit systems, delete the following registry keys: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\AeDebug\Debugger HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\.NETFramework\DbgManagedDebugger

That should fix the problem.

What if I just want to Disable the JIT Debugger?

Of course, there are times when you want to use the JIT debugger. So being able to enable or disable the JIT debugger may be a better solution. Follow these steps to turn off JIT debugging

  1. In Internet Explorer, select Tools -> Options
  2. On the Internet Options dialog, go to the Advanced tab
  3. Select Disable Script Debugging (Internet Explorer)
  4. Select Disable Script Debugging (Other) as shown below
  5. Reboot the computer

You should not longer receive Just In Time Debugging Errors.

Conclusion

The JIT debugging error is usually only annoying and can safely be turned off if you are not a software developer.

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