How to access memory card on computer if it says ''Access is Denied''?

Press(windows Button+R)
write-->> gpedit.msc
local group policy editor >computer configuration > Administrative templates >system > Removable > Storage Assess> Removable Disks: read access/write Access "need to sat not configured"

or

open Run
type gpedit.msc
click on the local group policy > computer configuration > administrative tools > all setting

make sure the" removable disks : deny execute access ( read / write ) " is set to the not configured