Uable to copy files from my micro SD card to PC

Whenever i try to copy files from my SD card of my samsung mobile to PC it says access is denied, i tried with data cable and even with card reader of different types, tried in different USB ports but couldn't copy contents from card to PC:-o, this is the error iam getting



even tried this registry trick but couldn't copy anything

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDeviceP olicies

 

Whilst you are waiting for a more expert reply than I can provide, check out:
http://www.tomshardware.com/forum/248744-32-access-denied-view-files-delete-help
Access Denied/Can't view files and can't delete them either HELP!

Also search on copy files from my SD card to PC it says access is denied for more links.

Bazza