Hi, this is my first message on this forum. I began a search here since one of my computers is set by the project to a WU quota limit of just 1 WU per day, even when it can process nearly 220 cobblestones per day (around 4 or 5 average WU's). I was expecting the existence of a way for us users to modify the settings of this, but as of what you've all posted, this is not open to us, so, will I have to wait until it is modified?, or should I ask for a modification?

If you will check the results page for your computers you will find that you are having nothing but computer errors on that computer. This limits your quota to one per day. It states in the error message "can't link input file" which sounds like a permissions problem. This can be caused either by an antivirus program changing the permissions on the files, by the permissions on the directories themselves (maybe you installed BOINC as one user and am running it from another user) and I didn't notice if you are running VIsta or not, but if you are, you might try uninstalling BOINC from the default directory (c:\\program files\\BOINC and reinstalling to a different directory (c:\\BOINC for example).
But it boils down to your computer is spitting out nothing but errors. Fix your computer and you will start downloading more work.