Unable to select Tabs on webfrontend - Hyperlinks not working

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Hi Everyone, I have come across something weird?

I have installed and new zabbix instance from source 2.0.7 on Redhat.

For some reason I cannot click on any of the admin tabs on the webfrontend. Only the monitoring tab and its sub components are working but none of these: Inventory, Reports, Configuration and Administration?

If I type the specific URL (zabbix/usergrps.php) then it navigates to the page, but it even then it doesn't seem to load properly.

Anyone came across something like this before? or perhaps know what it could be?

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resolved

I managed to get to the root of the problem

It was Internet Explorer on Windows server (our terminal server).
As soon as I tried this with Firefox, everything worked.
Funny enough, this also works on Internet Explorer from my pc?