As an update, the virusscanner didn't find any problems

I tried logging in with firefox instead of chrome, seeing if the problem was the browser. It isn't. Below is the message I got from firefox when I clicked the link to this topic and also when I clicked the 12 labours general discussion topic. Just like last time clicking the arrow to go to the last post doesn't give any problems.

[img]https://s20.postimg.org/lgczh30ct/firefox_ooc.png[/img]


Any ideas on what is causing this or if there's something I can do?

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Edit: And, when I added this post to the topic I got an error, but when I went back to the site the post was added.

[img]https://s20.postimg.org/f6hpu30y5/foutmelding_2.png[/img]