Unable to upload photos to any website

Question

I am unable to upload any photos to any websites.
When I try to upload photos I just get the rainbow wheel and I either have to force quit (it shows the browser in "not responding") or if I leave it long enough it will "quit unexpectedly".
The uploading process encounters error as soon as I hit upload and it opens the box, I am not even able to choose where I would like to upload from.
I have tried this using the browsers: Safari, Opera, and Firefox.
I have tried to upload photos to facebook, craigslist, shutterfly (I can upload to shutterfly using their extension in iphoto), walmartphoto, and a few other b/s/t forums.
As far as trouble shooting I have erased cookies, emptied cache, deleted my history, shut down all applications, restarted my computer, done a virus scan, reset preferences, unblocked and reblocked pop-ups, reset safari, made sure software was up to date, uninstalled and reinstalled Opera and Firefox...
This has been going on a few months now so I have searched people having similar issues and have tried a few of their tactics but it seems as if their issues were to a specific website so I have not found anything that even slightly improves the issue yet.

Answer 1

Hello CherriNicole,
While researching what could be causing performance issues with Safari, I found this article I feel will be helpful.
Safari: Unsupported third-party add-ons may cause Safari to unexpectedly quit or have performance issues
http://support.apple.com/kb/TS3230?viewlocale=en_US
Resolution
Use the add-on's uninstaller, if possible
Quit Safari.
Remove any unsupported third-party add-ons you've installed (see if the add-on's installer includes an uninstall feature).
Open Safari again.
If these steps fix the issue you were having, check the website of the software's developer to see if there is an updated version available, or avoid using the add-on.Manually uninstall third-party add-onsIf the software doesn't have an uninstall feature, quit Safari and try manually removing the third-party add-on files. These files are usually installed in one or more of the following locations:
/Library/Internet Plug-Ins/
/Library/Input Methods/
/Library/InputManagers/
/Library/ScriptingAdditions
~/Library/Internet Plug-Ins/
~/Library/Input Methods/
~/Library/InputManagers/
~/Library/ScriptingAdditions
The first four locations listed are in the root-level Library on your hard disk, not the user-level Library in your Home folder.The tilde (~) represents your Home folder.
To find the Home folder in OS X Lion, open the Finder, hold the Option key, and choose Go > Library.
To find the Home folder in Mac OS X v10.6 and earlier, open the Finder and choose Go > Home. Then, click the Library folder.
If the issue is resolved by removing items from the above locations, return the items one-at-a-time and test Safari. That way you can determine which item is causing the issue. Once identified, remove the problematic item and put the others back. Check for updates to the items that are found to cause issues, or report the issue to the add-on developer.
Note: When removing items from the above locations, do not put them in the Trash and empty the Trash. If removing the items does not resolve the issue, you can put them back where they came from. In Mac OS X v10.6 or later, you can use the Put Back feature of the Trash to automatically put them back where they came from.
Cheers,
Sterling