Thread: TomTom GO. Need some guidance please

I updated my device on TT Home.

I downloaded & installed :
Australia 945-6176 with automatic installer & patcher.
Message: You cannot use this map with this device.

TT Home recommends the latest map available for my device is 945 6174, so I downloaded & installed:
Australia 945-6174 with automatic installer & patcher.
Message: You cannot use this map with this device.

So I ran FastActivate, Patch Navcore:
Message: Navcore is already patched.

I ran Update Meta.txt:
Message: Updated Meta.txt is dated 01/04/2015

I then ran Patch Maps, Voices, Speedcams etc:
Message:Incomplete Map(s):

Australia-100262.meta => .dct ERROR
Australia-100264.meta => .dct ERROR

BIF File…………F :\TTGO.BIF
KeyGen Type…..8
Device Name…..TomTom GO
Application………9510
Boot Loader……..55277
Device ID………..xxxxxxxxxxx
Storage…………. Size 977MB, Free 487MB

These maps have no doubt been downloaded and installed successfully by others, so I doubt that they are corrupt files.

I don't quite know what I have done wrong, or failed to do correctly, so any help in simple terms would be greatly appreciated.

I am a senior citizen (old bloke) who is familiar with OS-X, but am managing to do what is necessary on Win Vista on an old laptop, so please be patient.
If I seem to be struggling, it is probably because I am

"THANKS" in advance to anyone with the patience to see me through this.