Some sites doesn't work untill I refresh it 3-4 times

One site I have it all the time is when I first open it it says that my connection is no good then I refresh a few times it works.

I have it on 2 computers in this office.

I have it with both Ie8 and Firefox
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Do you have any conflicting add-ons that could be causing this?
Mr_EziAuthor Commented:
I tried without add-on's same problem
Ask your office network guy about Proxy services, DNS and firewalls.
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Mr_EziAuthor Commented:
I'm the guy :) what should I check?
Mr_EziAuthor Commented:
I have one pc here on the same network that works great

maybe its a virus or something?
Mr_EziAuthor Commented:
Any idea?
Mr_EziAuthor Commented:
I typed in the address bar '' ie changed it to bing and says that it can't find it
I got the same problems, the issue was caused by a mixture of security things:
firewall, anti-virus, filtered content, etc.

Check this:
* Try to connect directly from one PC on your Internet/modem.
   + If no issues then something in the middle of yours PCs is blocking something (cookies, dns, filter content).
   + If issues persists, try to disable (temporally), all or one by one your security applications (anti-virus, fw, etc).
* check/re-check your dns, gateway settings on your network adapter.

Just to note what kind of software can cause this:
* Anti-Virus, I have this issues with the old Avast version (4.x) when scanning web traffic the page looks like your screen shoot, I need to hit <Enter> in the address to force the load of the page.
* PeerBlock (to filter access from-to bad sites: scam, etc.) a weeks ago a filter updated blocks my local network, so no traffic in-out until found it.


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