User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.6) Gecko/20050225 Firefox/1.0.1 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.6) Gecko/20050225 Firefox/1.0.1 Ran into a problem where on windows XP SP2 (note on linux a similar problem occurs with extended characters in folder name) where if I try to launch a URL programatically that is of the form file://C:\aaÂÂÙ\index.html with a firefox browser as the default browser AND the firefox browser is already open, will not open the file, and Rather will pop a dialog box with a mangled URL of file /c:/aa%C2%C2%D9/index.html In particular I'm launching using Java and the following routine (howerver I bet I can make this happen, launching using Win32 routines as well). org.eclipse.swt.program.Program.launch(urlStr); Below I show what happens for Firefox 1.0.1, Netscape 7.2 and IE 6.x If firefox browser running this fails to load Passed in URL string is: file://C:\aaÂÂÙ\index.html Firefox pops message of "file /c:/aa%C2%C2%D9/index.html can't be loaded" If firefox is not loaded (not running) Passed in URL string is: file://C:\aaÂÂÙ\index.html browser loaded with URL shown as file:///C:/aa%C2%C2%D9/index.html netscape loaded Passed in URL string is: file://C:\aaÂÂÙ\index.html browser loaded with URL shown as file:///C:/aa%C2%C2%D9/index.html netscape not loaded Passed in URL string is: file://C:\aaÂÂÙ\index.html browser loaded with URL shown as file:///C:/aa%C2%C2%D9/index.html IE loaded Passed in URL string is: file://C:\aaÂÂÙ\index.html browser loaded with URL shown as C:\aaÂÂÙ\index.html IE not loaded Passed in URL string is: file://C:\aaÂÂÙ\index.html browser loaded with URL shown as C:\aaÂÂÙ\index.html Reproducible: Always Steps to Reproduce: 1.follow the instructions in the details section 2. 3. Actual Results: Browser will not load page and pops message that it can't load file /c:/aa%C2%C2%D9/index.htm which is a mangled URL. Expected Results: it should have calculated the URL correctly such as file:///C:/aa%C2%C2%D9/index.html and loaded the file into the browser

should be a dupe of bug 263570 *** This bug has been marked as a duplicate of 263570 ***