You MUST uninstall the HP Battery Driver as a first step and soft reset, you must be prompted to soft reset if you do not do this, the registry error will NOT be corrected, and you will either have to do a hard reset or you will have to edit the registry!

HP has chosen to quietly fix this registry error, with no acknowledgement that there is a problem. This is NOT the behavior of a company that respects their customers IMHO. HP could have easily add code to remove the bad registry setting instead they chose not to! Nor have they acknowledge in any way that the code has been updated. Something to think about the next time you are thinking of buying an HP product. Do you wish to be kept in the dark and fed Bull....???