Profile storage space error shows

Hi there,
It seems like I have exceeded my storage limits. The truth is I don’t even know how much space available I had or is even full. Can anyone help me to see my profile? Why the link showed below in the error doesn’t work?
Thank you!

Profile storage space
You’ve exceeded your Windows Roaming Profile Quota. Run: ECN HELP -> Clean My Profile. If this doesn’t reduce your profile enough, see KB article “Windows Roaming Profile” @
https://engineering.purdue.edu/ECN.
OK
