Recommended solution has been found Size of Protocol Software Database: 46,989 and updated on December 13 2013.
Windows File Association has located the following solution regarding this protocol.
Solution (1):Repair Protocol Now
Download Time: 3.2 sec
More information about the download: Once fully installed, the RegCure Pro software automatically repairs corrupted protocol files.
Follow the 5 Easy Steps Below to Fix mp4:
1. Download RegCure Pro
2. Click "Run" and follow the simple installation instructions
3. It will ask "Do you want to allow this program to make changes to your computer?" Click Yes.
4. When prompted click Next > I Agree > Next > Finish.
5. Click the green Fix All button to repair protocol mp4!