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Hi I too seem to have this error:
calibre, version 0.8.49
ERROR: Unhandled exception: <b>CriticalError</b>: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 368, in deliver_challenge
File "site.py", line 66, in load_module
ZipImportError: can't find module hmac
Traceback (most recent call last):
File "site-packages\calibre\gui2\actions\view.py", line 201, in view_triggered
File "site-packages\calibre\gui2\actions\view.py", line 269, in _view_books
File "site-packages\calibre\gui2\actions\view.py", line 236, in _view_calibre_books
File "site-packages\calibre\gui2\actions\view.py", line 101, in view_format_by_id
File "site-packages\calibre\gui2\actions\view.py", line 132, in _view_file
File "site-packages\calibre\gui2\actions\view.py", line 120, in _launch_viewer
File "site-packages\calibre\gui2\jobs.py", line 249, in launch_gui_app
File "site-packages\calibre\utils\ipc\server.py", line 166, in run_job
File "site-packages\calibre\utils\ipc\server.py", line 139, in launch_worker
CriticalError: 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 368, in deliver_challenge
File "site.py", line 66, in load_module
ZipImportError: can't find module hmac
I'm brand new to this site and its forums. I also placed a similar question on the "Comments, Questions" thread.
Where do I go to start a bug report?
Thanks very much.
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