Is the "no more disk space" error you're seeing is coming from Windows 7 or the SS4200-E? If the SS4200-E, where is this being reported?
Sometimes corrupted files, especially of which the header part is corrupted, will cause the codec try to allocate a huge amount memory (over 500MB) in a short time. Although the there is a system monitor to avoid out of memory, the allocation is too fast for the monitor take action. That’s why there’s nothing logged. As a result, whole system will be out of memory and stop responding. maybe its this that's causing Windows 7 to report the error.
If the Storage System is experiencing random freezing or hanging or appears to have file corruption issues, disable both Content Indexing and Media Services in the Storage Manager software.
Go to the Storage Manager software for the Intel® Entry Storage System SS4200 and...
To disable Content Indexing:
Go to: Settings\Search\Content Search Settings and uncheck the box “Enable File Content Search".
To disable Media Services:
Go to: Settings\Media Services\Media Server and uncheck the check box there.