search for: deliver_challenge

...riticalError: Failed to launch worker process: Traceback (most recent call last): File "site-packages\calibre\utils\ipc\server.py", line 149, in do_launch File "multiprocessing\connection.py", line 121, in accept File "multiprocessing\connection.py", line 373, in deliver_challenge IOError: [Errno 233] Pipe not connected It seems to me a bug with python. Firstly, I installed Python 2.7 and then 3.2... Still the same problem. I even deleted the wine directory and i installed calibre WITHOUT python and I still get the same error!!!!!!!! Does wine have python builtin... does...