Error - 'Unable to load JIT Compiler: ( mscorjit.dll ). File may be missing or corrupt. Check or rerun setup' at Windows XP startup.

Original Title: Unable to load JIT Compiler: ( mscorjit.dll ): File may be missing or corrupt.
Check or rerun setup.
I started getting this error message when I boot up my computer:  Unable to load JIT Compiler: ( mscorjit.dll ): File may be missing or corrupt.
Check or rerun setup.

What does it mean and how do I fix it?

Solutions to the Problem Error - 'Unable to load JIT Compiler: ( mscorjit.dll ). File may be missing or corrupt. Check or rerun setup' at Windows XP startup.

Download Error Fixer (Free)

Manually editing the Windows registry to fix Error Error - 'Unable to load JIT Compiler: ( mscorjit.dll ). File may be missing or corrupt. Check or rerun setup' at Windows XP startup.

Caution: Unless you an advanced computer user, we DO NOT recommend editing the Windows registry manually. Using Registry Editor incorrectly can cause serious problems that may require you to reinstall Windows. We do not guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

  • Click the Start button.
  • Type "command" in the search box... DO NOT hit ENTER yet!
  • While holding CTRL-Shift on your keyboard, hit ENTER.
  • You will be prompted with a permission dialog box.
  • Click Yes.
  • A black box will open with a blinking cursor.
  • Type "regedit" and hit ENTER.
  • In the Registry Editor, select the Error 0x9C-related key (eg. Windows Operating System) you want to back up.
  • From the File menu, choose Export.
  • In the Save In list, select the folder where you want to save the Windows Operating System backup key.
  • In the File Name box, type a name for your backup file, such as "Windows Operating System Backup".
  • In the Export Range box, be sure that "Selected branch" is selected.
  • Click Save.
  • The file is then saved with a .reg file extension.
  • You now have a backup of your MACHINE_CHECK_EXCEPTION-related registry entry.

Recommended Method to Repair the Problem: Error - 'Unable to load JIT Compiler: ( mscorjit.dll ). File may be missing or corrupt. Check or rerun setup' at Windows XP startup.:

How to Fix Error - 'Unable to load JIT Compiler: ( mscorjit.dll ). File may be missing or corrupt. Check or rerun setup' at Windows XP startup. with SmartPCFixer?

1. Download Error Fixer . Install it on your system.  Click Scan, and it will perform a scan for your computer. The errors will be shown in the scan result.

2. After the scan is done, you can see the errors and problems which need to be fixed.

3. The Repair part is done, the speed of your computer will be much higher than before and the errors have been removed. You can also use other functions in SmartPCFixer. Like dll downloading, junk file cleaning and print spooler error repair.


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