Right click and report any upload problem directly from the program.
Is there any information about it in the antivirus? Virus name or anything?
Ok, this is not an antivirus warning, just browser info. I fixed that.
Scroll down in the antivirus and try to update it. What version does the antivirus shows?
With Quick-Reply you can write a post when viewing a topic without loading a new page. You can still use bulletin board code and smileys as you would in a normal post.