Wine iexplore.exe does erroneously continue to open a webpage, although I selected "Do not continue" on a certificate issue

Wine iexplore.exe does erroneously continue to open a webpage, although I selected "Do not continue" on a certificate issue.

Reproduction steps

• make sure you have Gecko 2.40 installed, either 2nd stage or from rapps
• open iexplore.exe and browse to the following URL
• https://librecad.org/donate.html
• you should see a certificate issue

Expected result
It should abort loading that page, when I select no

Observed result
It erroneously continues to browse to that site
0.4.15-dev-3235-g6b5ffa7_gcc8_4_0_dbg_win_affected.webm
0.4.15-dev-3235-g6b5ffa7_gcc8_4_0_dbg_win_affected.log
0.4.14-RC-102-gd186a9f gcc 4.7.2 dbg lin ftr shows the same glitch