What does the error “invalid version number” mean when I try to activate a compiler?
This error indicates that you are not entitled to use this version of the compiler. If you have purchased a license for a compiler, you are entitled to any patch-level updates to that version. That is, if you purchased a 9.60 PIC STD compiler, you are entitled to use — and for no additional charge — 9.60 PL1 or 9.60 PL2 etc. of the STD compiler, if they are made available. If you have a valid HPA (High Priority Access) subscription, you are entitled to use any update to the compiler you purchased which is released during the subscription period. If the update is not a patch level update to a base release version you already own, or you do not have a HPA subscription, then you will need to purchase a HPA restart subscription to be able to activate the new compiler. If you believe this message is in error, please contact support@htsoft.com and quote your license details.