Installation

JP91306 · 07-27-2021, 02:48 AM

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

JP91306 · 07-27-2021, 02:57 AM

Tried older version. No luck.

JP91306 · 07-27-2021, 03:17 AM

Tried older version. No luck.

kovidgoyal · 07-27-2021, 03:26 AM

https://manual.calibre-ebook.com/faq...is-not-working

DNSB · 07-27-2021, 12:07 PM

You might want to try running the calibre installer from an administrative command prompt. AFAIR, 2502/2503 errors are often permission errors.

JP91306 · 07-31-2021, 11:47 AM

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.

jp

07-27-2021, 02:48 AM	#1
JP91306 Connoisseur Posts: 54 Karma: 10 Join Date: Jan 2018 Device: iPad	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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07-27-2021, 02:57 AM	#2
JP91306 Connoisseur Posts: 54 Karma: 10 Join Date: Jan 2018 Device: iPad	Tried older version. No luck.

07-27-2021, 03:17 AM	#3
JP91306 Connoisseur Posts: 54 Karma: 10 Join Date: Jan 2018 Device: iPad	Tried older version. No luck.

07-27-2021, 03:26 AM	#4
kovidgoyal creator of calibre Posts: 45,255 Karma: 27110894 Join Date: Oct 2006 Location: Mumbai, India Device: Various	https://manual.calibre-ebook.com/faq...is-not-working

07-27-2021, 12:07 PM	#5
DNSB Bibliophagist Posts: 45,457 Karma: 168808777 Join Date: Jul 2010 Location: Vancouver Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos	You might want to try running the calibre installer from an administrative command prompt. AFAIR, 2502/2503 errors are often permission errors.

07-31-2021, 11:47 AM	#6
JP91306 Connoisseur Posts: 54 Karma: 10 Join Date: Jan 2018 Device: iPad	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. jp

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