MajorGeeks shows you how to fix RICHTX32.OCX file missing or invalid errors.
How to Fix Richtx32.ocx Errors
When running a program that uses the Visual Basic runtimes, you might receive an error message. The most common message states ,"Component 'RICHTX32.OCX' or one of its dependencies not correctly registered: a file is missing or invalid."
How to Fix Richtx32.ocx Errors - MajorGeeks