You can Edit the Group policy as an Admin user

follow the Steps:

1. GO to run and type gpedit.msc ( Run as a admin)
2. Browse the following path:
   Computer Configuration > Administrative Templates > System > Removable Storage Access
   3.On the right side, double-click the Removable Disks: Deny write access policy.
   4.On the top-left, select the Enabled option to activate the policy
   5.Click Apply.
   6.Click OK.

That it now all the removable storage gets denied if coonnected.