• 1 Answer SOURCE: My understanding, as a new user, is that IRiver plus 3 only communicates with the player via UMS mode, which is not the default. Windows Explorer and Windows Media Player only communicate through MTP mode.

If you change from MTP (the default) to UMS, it will reformat the player and delete all your files. In other words, do not use iriver plus 3 unless that is the only software that you want to use. Boing back to MTP mode after a sync or download will then delete all THOSE files you just downloaded. Cyberlink Powerdirector 7 Trial Activation Pack. I just say NO to Plus 3. Posted on Jan 25, 2008. Starcraft Frontline Volume 1 Pdf more. Hi, archos vision 1 player not recognized by the computer This may be caused by one of the following: 1. Minimum system requirements were not met. Download Game Baseball Heroes Offline more.