facebook – Invalid URL The requested URL “/”, is invalid.

facebook – Invalid URL The requested URL “/”, is invalid. Reference #

I can access to facebook using samsung galaxy SII without problem but when try to access to facebook this morning using my laptop, i hit error

Invalid URL

The requested URL “/”, is invalid.Reference #9.3e556acb.1337250952.21c9cc69

some suggest that delete browser cache will helps but i hit the above error in google chrome, mozilla firefox and IE8.

Try This

1. Go to folder “C:\Windows\System32\drivers\etc”
2. Open hosts file with notepad .
3. Copy below and paste in hosts file
   69.171.228.74 http://www.facebook.com
   69.171.228.74 https://www.facebook.com
4. Click on save to save the hosts file
5. Close the browser
6. Open and access to facebook again.
7. Problem solved.