https://community.norton.com/t/nu16-mft-cleaner-cannot-open-drive-c-reason-c0000043/207607
NU16 MFT Cleaner cannot open drive C: Reason c0000043 - Archive - Norton Community
Jan 19, 2013 - Ever since installing NU16, I cannot get the MFT cleaner to run successfully. I get the message that it wants to process drive C: and a couple of seconds...
open drive