Win-XP Password question

[smartegyptian]

1-winodws keep remind me that my password will expire within 10 days every time I boot clicked ok to renew it says invalid password then I clicked cancel I got to the desktop fine?

2-Another computer I forget XP password what I do now?
THX

[smartegyptian]

XP-Pro

[richardc]

Which version of XP? I don't follow the Passport part - you can create a new ID.