Nokia c6 system error is one of the issues bothering c6 users , when dealing with mass storage devices and accessing applications.
Users are finding the phone to be in good condition when they are using the preloaded memory card in their phone. However, after connecting to laptops or MMCs of digital camera, the phone gets freeze, and causes nokia c6 system error to occur.
The fact that sometimes c6 tends to freeze when opening few application, but after a minutes opens very well. But, when accessing the media files like photos and music, the phone is errored out.
Nokia c6 system error however can be resolved temporarily but removing the battery and resetting the device.
Let us wait and look for a firmware update from the company, may be this would work.