Quote:
Originally Posted by kovidgoyal
The certificate used to sign calibre on windows expires Oct 2025, so it cant be an expired certificate. And windows shows no issues for me with calibre. I just tried downloading and installing it on my win11 machine. No errors or warnings. Right clicking on calibre.exe in windows explorer and choosing properties->digital signatures shows the signature is OK.
I'm not a windows user so I cant really help but off hand I'd suggest check your system certificates, probably something there is expired/corrupted or similar.
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I also looked into the certificate, and I do see what you mean about it saying the signature is OK.
However, I think I figured something out, and maybe this might be why I'm having issues, but I don't know much about this, so maybe I'm mistaken.
Now, I'm not sure if it makes a difference, but I'm running the portable build of calibre on an external hard drive. I'm not using the windows installer.
I've run this on two separate win11 machines which previously had no issues, but for some reason, updating to 7.23 eventually causes certificate errors.
As stated in my previous post, when I reinstall the 7.23 update, I am able to launch without issue, but then I didn't use it for a couple days or so, came back, and I got another certificate error again.
However, here is what I figured out. When I'm trying to launch calibre, I'm using the "calibre-portable.exe" launcher in the "Calibre Portable" directory (I've always launched calibre via this .exe). I noticed that "calibre-portable.exe" does not show a certificate on it. However, "calibre.exe" under "Calibre Portable/Calibre" is where the certificate shows up. Is this how it typically should be, or am I missing a certificate?