User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322) Build Identifier: Firefox can't open a file with russian characters in path. Reproducible: Always Steps to Reproduce: 1. open any page from explorer by double-clicking on it 2. don't close that page and open another page with russian characters in path by double-clicking file in explorer. Actual Results: Firefox will show alert that the page can't be found and will show escaped page path. Expected Results: Open page in new tab

See Bug 58866 "Files are not opened, if the path or file name contains some high-ascii or double-byte characters " Bug 139625 "The non-ascii path name specified during the last installation can not be displayed properly in installer" Bug 162361 "Unicode file i/o in XPCOM/IO" Bug 169712 "Browser doesn't launch when install path contains Chinese and system is switched to English locale later" Bug 193358 "Unable to open files with chinese (unicode) file names" Bug 193619 '"Show in Explorer" doesn't work if the path contains non-ASCII string' Bug 194067 "Mozilla cannot open Favorites containing foreign (Unicode) characters that were created Internet Explorer 6.0." Bug 234681 "Unicode filename attachment saved with '_' replacing every non system locale character"

*** This bug has been marked as a duplicate of 263570 ***