Windows error code 193 is an application or software error that indicates that a particular program name in the Programs directory on a Share Point or Exchange server. When system administrators attempt to start a program from one of these types of servers and sees this error message, it is almost always going to be true that there will be at least one of the following programs present on the server:
These particular program instances are causing the error to happen on your Share Point or Exchange server. Microsoft strongly recommends renaming, removing, or deleting these programs from the SystemDrive or ProgramFiles folders. The error message will continue to pop up when you try to launch a program that is clashing with these program instances.
The best steps would be to simply right click on the program directories that exist and rename them to something that you will remember. After you have renamed the files, try to run the program that was clashing with these instances. You will always have the renamed files, in case you need to restore things to how they were before you made the change. If new error messages occur after you rename the files, you can change the names back to the original name to see if that resolves any errors that occur.
TipFor more information, please see: How to fix Software error #193