InfoPath Dev

When I create form, i digitally signed the form with certificate.  This now become issue when certificate expired.  How do i rectify this from need of valid certificate? 

Recently we upgraded to Infopath 2010 and existing form was created from 2007.  When user open the form, it has following error message:- InfoPath cannot open a new form.  The form cannot be opened.  To fix this problem, contact the form designer.  Your user name or group membership cannot be verified because the form's ...

I have now one more additonal issue. When I click sign section, it said "Microsoft Office InfoPath has encountered a problem and needs to close. We are sorry for the inconvenience."  I do not have this issue early.  How to fix this issue?

I published template to shared drive and users need to save form to their own drive.

Thanks Jimmy, Yes, it works now by storing today() in conditional formatting.  Cheers.

Hi Karsten, Thanks for your reply and message. I checked my formula and yes I did tick the box that say "Update this value when the result of the formulate is recalculated".  When I open form using Notepad, I saw my formula defaulted date to date when I first open and save file.  It ...

I created a form and published in common directory so that users can open template and as form to their own directory.  I have two issues as follow:- 1. When users save file to their own directory, the next day when they open same file, it said "xxx.xsn file cannot be found, check your spelling, or try a different path".  2. ...