User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8a1) Gecko/20040520 Firefox/0.8.0+ Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8a1) Gecko/20040520 Firefox/0.8.0+ Opening certificate-protected https page disables the window - the page can't be loaded, and you can't drag the window with mouse on its title bar, though the throbber is in action and you can copy the text on the page and so on (i.e. not complete freeze, the window is only fixed) Reproducible: Always Steps to Reproduce: 1. Open https://www.c-base.org/c-lists/listinfo/paintlib Actual Results: Described as above Expected Results: Should open the page I tried the same page with Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8a1) Gecko/20040520, and it successfully loaded it, therefore it's Firefox-specific.

*** This bug has been marked as a duplicate of 242275 ***