trying to upload chart but error

hello,
Im trying to share a chart this the forum but when I want upload my 2 files zip, each time they are cancelled at the end of the upload. (they do 6MO each) .
I dont understand whats happen (and I not speak english very well ... :( )
some ideas ??

Thanks :)

Sorodrigues

the same happens to me.
its a system error and moderators should already be handling this ;)

Gioiesfizi

Do you use Firefox?
It happens to me too, just using it, and I have not yet discovered which is the setting who causes this.
Using Explorer, no problems to upload (less security restrictions?).