In some cases, msointl.dll errors could indicate a registry problem, a virus or malware issue, or even a hardware failure.

Msointl.dll Errors

There are several ways msointl.dll errors can show up on your computer. Here are some of the more common error messages you might see:

Msointl.dll Not FoundThis application failed to start because msointl.dll was not found. Re-installing the application may fix this problem.Cannot find [PATH]\msointl.dllThe file msointl.dll is missing.Cannot start [APPLICATION]. A required component is missing: msointl.dll. Please install [APPLICATION] again.

These errors might appear when Windows starts or shuts down, but most likely occurs when using or installing certain programs, such as some versions of Microsoft Excel.

How to Fix Msointl.dll Errors

Follow these steps in the order they’re given below to try the simpler solutions first.

Need More Help?

If you’re not interested in fixing this problem yourself, see How Do I Get My Computer Fixed? for a full list of your support options, plus help with everything along the way like figuring out repair costs, getting your files off, choosing a repair service, and a lot more. If you suspect this, but you’ve already emptied the Recycle Bin, you may be able to recover the file with a free data recovery program. Here’s how: Open Control Panel and search for Programs and Features. Right-click Microsoft Office from the list, select Change, and then choose a repair option. If the hardware fails any of your tests, replace the memory or replace the hard drive as soon as possible.