error "Could not Read Card"

[cadude03]

I'm getting the COULD NOT READ CARD error message
clean card with 4.06f
clean again with 4.21 get error
program card with 4.21 still get same error
I go back to 4.06f clean and program ok

[cadude03]

I was using a computer with windows me, changed to another with xp and works fine, sorry