duration 10 minutes of my videos and for export shows 11 what to do
First, we need more info!
There's a FAQ (Frequently Asked Questions) post giving the recommended bits of info one should post along with their request for help ... including ...
OS/CPU/RAM/GPU/vRAM and video driver version. Please ... "dot" specific.
EXACT program version (from the "About" dialog)
One or more discs? Internal/external? Footage type, frame size & rate, maybe even camera used. Any effects used on the clips, any 3rd party software/plugins used, and in your case, sequence settings, export settings also.
For the last, getting a "screen grab" of the export dialog box showing source & export settings would be VERY useful.