Problem connecting to internet via Firefox as XUL Runner Error Platform version is not compatible with minVersion 1.9.2.16 max version 1.9.2.16

Firfox requested to update previous version to new version of which i allowed. After installation complete i tried to connect to the internet and was denied with a following error window appearing. As explained above i shall explain again as shown in the error window.
XULRunner
Error: Platform version " is not compatible with
minVersion >= 1.9.2.16
maxVersion<= 1.9.2.16
This will not allow me to connect to the internet as i would like to continue to.
Please restore if possible my previous toolbar and able for me to connect to the internet.
Thank you.

This issue can happen when the updater wasn't able to update all files in the Firefox program folder.
Do a clean (re-)install:
* Download a fresh Firefox copy and save the file to the desktop.
* Firefox 4.0: http://www.mozilla.com/firefox/all.html
* Firefox 3.6.x: http://www.mozilla.com/en-US/firefox/all-older.html
* Uninstall your current Firefox version and remove the Firefox program folder before installing that copy of the Firefox installer.
* Don't remove personal data if you uninstall the current version.
* It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
Your bookmarks and other profile data are stored elsewhere (not in the Firefox program folder) and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.

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