Used method 2. .. also when i tried with another 512mb card i found, it worked much more co-operative, so something fault with "original backup card" is possible. also with another map version and using navcore that tomtom updated to 7.9(.??) this whole thing goed like charm. new card with no files, letting tomtom put the stuff it want, and made the magic with fastactivation.exe. Maybe this whole problem was faulty sd-card + maybe unproper map pack for navcore (?). Anyway, now it works, Thanks a lot P33dro for the tips!!!