Prevent access to certain drive 0

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Polici es\Explorer
And to
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\
Policies \Explorer

Here create a new DWORD named NoViewOnDrive and set its value to 4(in dec) if you want to restrict your C drive.

For restricting other drives set the value accordingly

A 1
B 2
C 4
D 8
E 16
F 32
G 64
H 128
I 256
J 512
K 1024
L 2048
M 4096
N 8192
0 16384
P 32768
Q 65536
R 131072
S 262144
T 524288
U 1048576
V 2097152
W 4194304
X 8388608
Y 16777216
Z 33554432
ALL DRIVES 67108863