Dear All

I just upgraded to calibre-3.16.0. My earlier version of calibre work fine. But now when I tried to open and ebook on my Pc, following message come
calibre, version 3.16.0
ERROR: Could not open e-book: Failed to read book, F:\BBDC\New Folder\BOOK\Original\Original_ (Right) (1)\Originalal.mobi click "Show Details" for more information
Traceback (most recent call last):
File "site-packages\calibre\utils\ipc\simple_worker.py", line 284, in main
File "site-packages\calibre\ebooks\oeb\iterator\book.py", line 64, in extract_book
File "site-packages\calibre\customize\conversion.py", line 240, in __call__
File "site-packages\calibre\__init__.py", line 477, in __enter__
WindowsError: [Error 5] Access is denied: u'C:\\Users\\MMAUDI~1\\AppData\\Local\\Temp\\calib re_zkkqsa\\pfqzb6_ebook_iter'
Can somebody help me. I also request to Kovid also to help me.