https://www.icyphoenix.com/viewtopic.php?f=26&t=810&p=7567#p7567
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lefty74
Tue 16 Jan, 2007 12:45

Re: Upload Problems
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yes, just ask them to see whether any of the server settings might interfere. For me, everything was working fine and one day I had problems with thumbnails loading and actually got permission denied messages so I contacted my host, they looked into it and it was something they had installed. They tweaked it a bit and now everything works again...

I am not saying this is the case with you but it certainly is a possibility to explore...