Why can't I install the latest calibre on Windows XP?
#41  theducks 05-15-2016, 10:46 AM
There are also various levels of 'Will Run' on XP. Total Bomb-out (can't start...No SSE2, crashes during common tasks, crashes only if you do 'X')
(I have:
1 @ that does the 3rd type using Calibre 2.0, and it is slow, even with 2G RAM, 800MHz FSB
1 @ in the first group; an AMD Athelon XP

Many XP machines are also too weak by current standards (low RAM, Wimpy CPU, Simple video)

I support Kovids decision to no longer compromise Calibre rich set off features just to make it run on antique systems

And I support the Wolfs recommendation of (skipping Vista) W7 for XP users (closer to the XP UI than W8 or W10 right out of the box , for non- power users)

#42  JSWolf 05-15-2016, 06:00 PM
One thing though, Given that most XP users are running 32-bit, your best best in upgrading is to move to 64-bit as there are cases where Calibre does need to be 64-bit and if you stay with 32-bit, you will still be ram limited to 3GB.

Moving from 32-bit to 64-bit means starting over. So backup all the data from XP that you need/want to keep and then do the install. You will have to reinstall all of your software so find the install files or CDs/DVDs. If some of your installs is from downloaded software and there is a 64-bit version you will want that.

#43  Al Adams 09-14-2016, 07:51 AM
Quote eschwartz
When calibre version 2.0.0 was released, it was transitioned over to a new graphical toolkit, Qt5. Qt no longer supports Windows XP (and neither does Microsoft, so there is little hope of anything changing).

As a result, the latest version of calibre to work on Windows XP is calibre 1.48. If you want to run calibre on Windows XP, you have a few options:
  1. Install version 1.48 (download it HERE) -- yes it is an old version, but it still works just fine, doesn't it. It hasn't magically stopped doing what it used to do just because there is a newer version.
    This is the official recommendation, as suggested on the calibre website.
  2. Insist on running the latest version anyway. Yeah, Qt isn't supported. Yeah, it might crash horribly. But it *might* work, people *have* reported success. As long as your processor supports the SSE2 instruction set, you may very well get lucky.
    You must run from source -- the calibre developers will not support this.calibre 2.x will now run -- whether it works remains to be seen. Good luck.
  3. Trying to run the new version is too risky, but the old version is broken!
    Do you have a Kobo H2O, the driver for which appeared post-calibre2.x? If so, try this plugin, or run from source as described above, but with my backports described HERE. The backports can and will work to fix other breakage, e.g. Amazon website changes for metadata download. The plugin is just for the Kobo.
  4. Upgrade your computer. Microsoft no longer supports Windows XP, not even for security vulnerabilities. Okay, they did anyway. But we can safely assume it won't happen again.
    • For a few hundred dollars you can get a brand-new computer that runs Windows 7/8 and does everything you need it to do, with up-to-date software -- that includes running the latest version of calibre.
    • I don't have the money/I don't want to spend the money on a new computer, my old one works fine no matter what Micro$oft thinks!
      Rather than upgrading the hardware, maybe you can upgrade the OSware? Linux is free, and runs fine on old hardware -- even if your computer isn't compatible with Windows 7/8, you can still run a modern operating system. You can even run both linux and Windows XP on the same computer.
      Popular choices of linux distribution for linux newbies include Ubuntu and Linux Mint. I suggest the latter -- it has a friendlier desktop and is closer to the experience one would expect coming from a Windows environment.
      Installing linux is fairly easy -- all you need to do is burn a disk image to a USB drive and reboot your computer -- and be good at following (clear) directions.

Future Reference ... Save in My Favorites List

#44  kovidgoyal 01-27-2018, 02:13 AM
Dont feed the troll.

@UltraGod and your sock puppets: calibre is not going to support windows xp. You can rant and rave and call me all the names you want, that is not going to change. I suggest you stop posting before your latest sock puppet gets banned as well.

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