Missing software and file drivers is often a leading cause of MM file problems. It is highly recommended that you scan your PC using the MM File Repair Tool. It will analyze your files and make sure you have the necessary file openers.
MM file error symptoms can include the inability to open MM files, program lock-ups, crashes, slow PC performance, startup and shut down problems, and installation errors.
Fixing the Problem
To ensure MM files can be opened and read by your computer, download and run the MM File Repair Tool. Simply click the button below to download the software.