I recently setup a WHR-HP-G54 router. After setup was complete the router was working perfectly until I changed the administrative password. After the password was changed I was locked out of the router. The router continued to function perfectly except that I could not login as root. I have completely reset the router and after changing the password I had the same result. It seems that any password other than the default (blank) causes me to be locked out of the router. Any suggestions to solve this problem?