I'm having the same issue, but I have AVG. HP Laptop, Windows 10, new.
Re-installed Calibre, rebooted, worked. Today when I opened Calibre, downloaded book to digital editions and tried to transfer file to Calibre, I got the following message again:
calibre, version 3.37.0
ERROR: Cannot add books: Failed to add any books, click "Show details" for more information.
Failed to start worker process
Traceback (most recent call last):
File "site-packages\calibre\utils\ipc\pool.py", line 201, in start_worker
File "site-packages\calibre\utils\ipc\pool.py", line 189, in create_worker
File "site-packages\calibre\utils\ipc\pool.py", line 73, in start_worker
File "site-packages\calibre\utils\ipc\simple_worker.py", line 167, in start_pipe_worker
File "subprocess.py", line 711, in __init__
File "subprocess.py", line 959, in _execute_child
WindowsError: [Error 2] The system cannot find the file specified
Uninstalled AVG, rebooted, tried to download book to Calibre from digital editions and I still get the same message. Tried to reinstall Calibre, only options were "change", "repair" and "uninstall". Always loath the uninstall something I love so much - afraid I'm going to lose my library.
Fix on this?
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