Disk space shows 100% used at 229M but limit is 1000M

I tried everything I know,including turning of membership with no success.

about two weeks ago,when I saw the limit, getting close, I set it for 500M.

today I tried to upload the plug-in and it wouldn't let me because I was over limit. So I bumped it to them 1000M

Next I tried deleting some graphics. About a half and Meg.

That didn't change anything either?

Appreciate your help

Thanks
Ron