I've solved the problem on my site by changing the friendly url option.
I used apache errorhandling until this week but it seems there were some changes on the server so this didn't worked anymore.
I changed this into the mod_rewrite option and now my http://blogske.be looks fine again.
The only ...

Thanks for the answer, and sorry for the crossposting.
But the embedded function is not on, the strange thing is that I didn't changed anything, it justed happended overnight.
I checked everything, reinstalled everything but it stays the same.

Looking further into it ther's more wrong then just ...