every time i do something with my r4 on the computer it ends up deleting my games and save files whats wrong . :'(
yeh that happened to me b4 and it pissed me off lol. Luckily i had another laptop so yeh i did what i had to do and it was fine. Some laptops/computers do funny things
Use wood R4 firmware if you have a original R4 ;D http://forum.romulation.net/index.php?topic=39701.msg730923#msg730923
Could be your windows have a virus are mabe a bad usb port Are do a full format of your microSD and replace the firmware , are try wood R4 firmware http://filetrip.net/f12065-Wood-R4-1-10.html
It'll be the adaptor you use - had the same issue with a cheap adaptor that came with one of my cards.