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Old 07-27-2021, 02:48 AM   #1
JP91306
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Question Installation

Persistent ERROR on attempt to install.

ERROR 2503

Machine is Win10 - 64 bit.

All recent updates.

Edition Windows 10 Pro
Version 20H2
Installed on ‎7/‎20/‎2021
OS build 19042.1110
Experience Windows Feature Experience Pack 120.2212.3530.0

Any idea why this would happen ?

Can I get a previous version to try ?

Thanks,

jp
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Old 07-27-2021, 02:57 AM   #2
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Tried older version. No luck.
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Old 07-27-2021, 03:17 AM   #3
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Tried older version. No luck.
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Old 07-27-2021, 03:26 AM   #4
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https://manual.calibre-ebook.com/faq...is-not-working
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Old 07-27-2021, 12:07 PM   #5
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You might want to try running the calibre installer from an administrative command prompt. AFAIR, 2502/2503 errors are often permission errors.
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Old 07-31-2021, 11:47 AM   #6
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SOLVED! A long (repeat LONG!) phone call with Dell, and the problem was easily solved after a TOTAL re-install of Windows10 on the new machine. I DO wish the smart folks at MS would figure out how to solve problems without total re-installs. But now, after something like 12 hours of resetting and installing everything....CALIBRE installed properly. There was NOTHING WRONG with Calibre....it was Windows.
Thanks for all the replies.

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