Comment 5 for bug 338785

After updating firefox to 3.0.7, i'd got assertion failed on startup, and later if i try to access any website
Assertion is showed in GUI window.
Error text:
ASSERT: *** Search: _installLocation: engine has no file!
Stack Trace:
0:ENSURE_WARN(false,_installLocation: engine has no file!,2147500037)
1:()
2:()
3:()
4:epsGetAttr([object Object],hidden)
5:()
6:()
7:currentEngine()
8:get_currentEngine()
9:updateDisplay()
10:init()
11:([object XULElement],6)

LANG=C apt-cache policy firefox-3.0
firefox-3.0:
  Installed: 3.0.6+nobinonly-0ubuntu0.8.10.1
  Candidate: 3.0.7+nobinonly-0ubuntu0.8.10.1
  Version table:
     3.0.7+nobinonly-0ubuntu0.8.10.1 0
        500 http://security.ubuntu.com intrepid-security/main Packages
 *** 3.0.6+nobinonly-0ubuntu0.8.10.1 0
        500 http://ru.archive.ubuntu.com intrepid-updates/main Packages
        100 /var/lib/dpkg/status
     3.0.3+nobinonly-0ubuntu2 0
        500 http://ru.archive.ubuntu.com intrepid/main Packages

Note: At this moment i were downgraded firefox version, installed were: 3.0.7+nobinonly-0ubuntu0.8.10.1