can't create new user accounts

Hello

Well, I have been trying to create a new user account. I have on
administrative profile and one user or guest - so 2 in all. So i decide
to try and make another one adminsitrative profile to see if I could us
INternet Explorer because for some reason I can't on the admin but onl
on the user/guest ( but was told to send back the pc to HP to fix)
Anyways I tried to make it but it said something like" you can;t mak
this beacause you have one or more of the following symbols
/\":;|<>+=,?* " but i didn't even put one of those in i just put m
name - mile
. So I asked around and was refered to this site, so does anyone kno
what to do? and if so please do keep in mind that I dont really kno
anything about computer and such, Thank you

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smurfya1234