The 403 Forbidden error is an HTTP status code that means that accessing the resource or page you were trying to reach is absolutely forbidden for some reason. Usually a 403 Forbidden error denotes that the page in question does exist but cannot be accessed by you. You can see a complete list of 403 Forbidden errors here.
There are three common causes for this 403 Forbidden Error:
- Empty html directory
- No index page
- Permissions and ownership errors
Check on how to fix the 403 Forbidden Error at pcsupport.about.com.
If you're using a smartphone over Wi-Fi, cellular messages can cause problems. Here's what to do if you are regularly seeing the error message 'Currently unable to download. Please try again later', or similar. Know more at PC Advisor.