what is http://www.facebook.com/ajax/ufi/modify.php?

[Gabby]

[Sourav]

It is a php script running on facebook server that does something when you click on something. As there is no way other than becoming a facebook developer I can see the contents of that script, I can't enlighten you more.

I found these fixes:

Here is a quick way to fix that ajax modify.php thing
with some little words CLEAR BROWSER CACHE AND COOKIES

FIX IT UNDER INTERNET EXPLORER
1. Open internet explorer on any page
2. Press CTRL + SHIFT + DELETE
3. On this Box, Check CACHE and COOKIES, it should be the second and the third checkbox
4. Click Delete
(It should be fixed Now)

FIX IT UNDER MOZILLA FIREFOX
1. Open Mozilla Firefox on any page
2. Press CTRL + SHIFT + DELETE
3. At time range select ALL
4. Check the 3rd and 4th Box (Cookies and Cache)
5. Click the "Clear Now" Button

FIX IT UNDER GOOGLE CHROME
1. Open Google Chrome on any page
2. Press CTRL + SHIFT + DELETE
3. A new tab will open with a pop up window
4. Select Obliterate The Following Items From "The Beginning Of Time"
5. Check "Empty the cache" and "Delete cookies and other site data"
6. Click the "Clear Browsing Data" Button