ZMI Broken in Calibre 5.7
If you must use ZMI in the near future, do not upgrade to Calibre 5.7.
Calibre 5.7 totally redesigned a small piece that ZMI uses to notify the Calibre GUI that it needs to entirely reload its list of books due to new books that it did not know about when it was originally started. ZMI uses the "old" small piece (that no longer exists), hence ZMI is broken in 5.7.
As soon as I can change ZMI to use the new functionality in 5.7, I will do so and upload a new ZMI version.
In the meantime, you might want to install the 32bit version of Calibre 5.6, and use ZMI from that version. You can still be using 5.7 on the 64bit version, including the identical settings, etc., although the ZMI Icon on the ToolBar will disappear because ZMI will fail to load.
DaltonST
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