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VelvetElvis · 01-31-2026, 02:43 PM

Updated to Calibre 9, and now Calibre Sync is failing to update on any of our tablets, with the error shown below. Not sure if it's related to the Calibre update or not

Anyone else having issues updating Calibre Sync, or know of the cause? Sent the developer an email but have not heard back.

01-31-2026, 02:43 PM	#1
VelvetElvis Addict Posts: 265 Karma: 20028 Join Date: Jan 2011 Location: Canada Device: Fire HD8, Asus, Sony (T1, PRS-300), Kobo (Glo, Touch, Wireless)	Calibre Sync broken by Calibre v9? Updated to Calibre 9, and now Calibre Sync is failing to update on any of our tablets, with the error shown below. Not sure if it's related to the Calibre update or not Anyone else having issues updating Calibre Sync, or know of the cause? Sent the developer an email but have not heard back. Attached Thumbnails