Thread: ATTN: Windows Sigil users
View Single Post
Old 09-16-2025, 12:11 PM   #2
JSWolf
Resident Curmudgeon
JSWolf ought to be getting tired of karma fortunes by now.JSWolf ought to be getting tired of karma fortunes by now.JSWolf ought to be getting tired of karma fortunes by now.JSWolf ought to be getting tired of karma fortunes by now.JSWolf ought to be getting tired of karma fortunes by now.JSWolf ought to be getting tired of karma fortunes by now.JSWolf ought to be getting tired of karma fortunes by now.JSWolf ought to be getting tired of karma fortunes by now.JSWolf ought to be getting tired of karma fortunes by now.JSWolf ought to be getting tired of karma fortunes by now.JSWolf ought to be getting tired of karma fortunes by now.
 
JSWolf's Avatar
 
Posts: 80,855
Karma: 150249631
Join Date: Nov 2006
Location: Roslindale, Massachusetts
Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3
Quote:
Originally Posted by DiapDealer View Post
It appears that newer and newer versions of Qt/Sigil (and Visual Studio) may require you to update you Microsoft Visual C++ 2015-2022 Redistributable (x64) runtime.

I just had a failure to launch on an older laptop with a beta version of Sigil using Qt6.9.2. No error, just no launch. Updating the redistributable fixed the problem. Damn Microsoft! These things are supposed to be forward/backward compatible (and they have been for quite a long time), but it looks like something is starting to fall through the cracks. Sigil requires the x64 version of the runtime (in case you don't use both x86 and x64).

Version 14.40.33816 of the redistributable was not good enough on my machine. The latest version of 14.44 restored all functionality.

So head this issue off at the pass and update those runtimes! At the very least, keep this post in mind if Sigil stops launching for you. And spread the word so we can hopefully keep ahead of this!

https://learn.microsoft.com/en-us/cp...?view=msvc-170

POST DATE: 16 September 2025
This is my suggestion.

When you do release Sigil with Qt 6.9.2 or later, put this info up on the website with a link to get the version Microsoft Visual Runtime that allows Sigil to work.
JSWolf is offline   Reply With Quote