Mashoor, most probable reason is that you have mod_security module enabled if you're on Godaddy, if you're on the shared plan they do not disable it, so you would need to switch providers. 

Ok but do you think if i change to Arvixe its good for site security and others? And it will also bug free like in Godaddy because of mod security module i cant add adsense advertisement iframe codes adding videos in newsfeed (getting error) these things will be surely solved? 

Arvixe is one of our recommended hosting providers. We have never run into any reports related to the security breaks with them. 

Yes, the mod_security module prevent you to add advertisement banner as well as videos? As I said you need either switch hosts or disable mod_security module on your Godaddy server. 

Ok i have asked couple of times to disable but they are replying with some other reasons to do this and that as they are not disabling now i am asking for refund and moving to Arvixe. 

ask hosting to update cpanel as the new update few weeks ago lets you turn mod security off in cpanel for your domain 

as you can see i have mod security enabled 
it runs default settings with few minor mods and my site runs fine

 

Thanks Tammy i have asked them to turn the mod security module off they can not off but they can modify the rules few things are solved few left. 

Another bug which i can see is in newsfeed when i click any photo is appears ok (Before) 

Then when i click to view in full screen and then close is see this happens. 

Mashoor, Are you still in Godaddy webhosting then they fixed security rules for you ?

Yeah i am in GoDaddy they have modified the rules other things are pending which is expected to be solved within 72 hours. 

So cool !! I use Live Chat on Godaddy website. But they can not help me, they tell me to modify .htaccess file to change rules...

Do they charge fee for modify mod security ?

No. They dont

So sad Godaddy said it costs $79 to help me modify mod security rules...

But its not totally solved. There are issues which has to be solved 

Mashoor, the problem you have after viewing full size photo is a bug, we have passed it to our developers. Thanks for the report, it will be fixed in one of the upcoming releases. 

Ok Ross, This same thing happens in Newsfeed also it works great but if there are more activities suddenly one of the activity appears vanish like this. 

What do you mean the same thing happens in the newsfeed? Can you please provide step-by-step instructions in order to reproduce the issue?

I mean in Newsfeed when it keeps refreshing other activities somehow any of the activity like if someone likes or comment any photo after sometime it goes like this (Screenshot is attached) 

The attached screenshot is of photo page but the same thing appears in newsfeed when there are couple of activities. 

Do you mean the rating and comment area of the photo? It's not Newsfeed. 

I dont have the screenshot now the same thing happens in Newsfeed where user like and comment. It goes vanish like the attached screenshot which i showed you above when there are so many activities. 

I'm sorry but we need screenshot or the steps how to reproduce the issue, as I don't understand how to reproduce the issue in Newsfeed.