we use sharepoint 3.0 and have 1 form (that uses infopath 2003).
on some computers i get the following error when trying to access the form:
"Infopath cannot create a new, blank form"
"The signature is corrupt or the certificate used to sign this form is expired or has been revoked. Contact the author of the form."
Sometimes deleting the users profile and recreating a new local profile works but then sometimes it doesnt. The certificate doesnt expire until 2013.
Like i said it doesnt happen on all computers, and if i go to a computer that is having the problem and if i log in (i have domain admin rights) the form works fine but for any other user when they log it doesnt work.