I NEED HELP!!! Help me download Mapthis

I NEED HELP!!! Help me download Mapthis.
Can someone tell me how. I read the instructions, but i dont understand. I have been trying for 3 hours already, but i just dont get this. PLEASE HELP!!

It should work if you followed the instructions.

My be if you could describe what you did and what happened, someone might point out where you got wrong.

Otherwise one can only repeat the instructions.

I just cant understand.

I did all this, and i went to the game folder on my PSP and there is nothing there. but when i do it on computer, its all there. I bought this memory card used, so maybe the folder is bad or something?
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d. Deniska’s Mapthis! Mapping software: http://deniska.dcemu.co.uk/bin/mapViewer_v03.zip
e. Mapthis! 0.4 EBOOT.PBP: http://www.sendspace.com/file/qr7uks
f. In7ane’s Map Downloader: http://www.sendspace.com/file/90i8iu
g. PSP Car stand (optional)

2. What you need to do

a. Copy the mapViewer and mapViewer% folders from the mapViewer_v03 (in step 1(d)) folder to your game folder on your memory stick and make sure your kernel is set to 1.50 if you have any gps pther than the psp-290 (please refer to the FAQ in Deniska's discussion forum for important details on making this work with psp-290)
b. Copy the appropriate EBOOT file (depending on if u have a HOLUX GPS(or any other non psp-290) receiver or PSP-290) from the mapthis! 0.4 file you downloaded in step 1(e) into the mapViewer folder on your memory stick (overwrite the current one).
c. Copy the ‘system’ folder from the the mapthis! 0.4 file you downloaded in step 1(e) into the mapViewer folder on your memory stick (overwrite the current).

is you psp homebrew freindly? what firmware do you run?

I run 2.50. I think it does have homebrew

you have to run a custom firmware to can launch homebrews and Mapthis
But at first, you have to downgrade your PSP so search a tutorial beacause I don't speak english very well ^^

I am now at 1.5. and when i click on mapthis gps edition it says select global map or new york. What do i do next?

I am now on step 2e and when i press on Global Map Download Tool it says "To run this application, you first must install one of the following versions of the .NetFramework: v2.0.50727". What do I do?

^^^bump^^^