This is a discussion on Only certain pages do not load o_o within the PC forum, part of the Multiplatform Talk; I've been having this problem for about a week or two now. Only a couple of pages do not load ...
From memory (I use a Mac these days so my Doze knowledge is a bit rusty), AVG also has a web browser plugin that intercepts rogue internet code like phishing sites, so maybe whitelist those sites there too, or try temporarily disabling AVG while visiting the sites.
Also, try disabling your Chrome plugins, then re-enable them one at a time while viewing Instagram etc to see if one of them is causing the problem.
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