I tried three times and I only got an error message every time after clicking the Download button.
2..jpg
The final lines of the log file are copied below.
07.04 16:19:26+ 500 [06E0] 05 M> > 0 CIMUpdateDownloader::CheckForUpdate 'V:\develop\IMatch5\src\IMatchNG\IMUpdateDownloader.cpp(52)'
07.04 16:19:26+ 0 [06E0] 05 M> < 0 CIMUpdateDownloader::CheckForUpdate
07.04 16:19:27+ 1047 [1454] 02 I> Update check completed with state 2.
07.04 16:19:31+ 3516 [21F4] 05 M> > 0 CIMUpdateDownloader::DownloadUpdateAsync 'V:\develop\IMatch5\src\IMatchNG\IMUpdateDownloader.cpp(300)'
07.04 16:19:31+ 640 [21F4] 01 W> DownloadUpdateAsync: Failed to check for update: [80190194] 'Response status code does not indicate success: 404 ().' 'V:\develop\IMatch5\src\IMatchNG\IMUpdateDownloader.cpp(579)'
07.04 16:19:31+ 0 [21F4] 00 I> DownloadUpdateAsync: Deleted downloaded file.
07.04 16:19:31+ 0 [21F4] 05 M> < 0 [640ms] CIMUpdateDownloader::DownloadUpdateAsync
I downloaded it from the Customer Portal instead.
Hm, strange.
I've just checked and it works here.404 means "not found".
Are your IMatch 2025 email address and license key correctly entered in Edit menu > Preferences > Application?