Windows Allow Network Locations / Security Unknown Publisher

Fix the Taskbar Unknown Publisher problem:

1.       Run --> gpedit.msc

·        Local Computer Policy / User Configuration / Administrative Templates / Windows Components / Attachment Manager

 

2.       On the right pane, double click Inclusion list for low file types.

3.     Click Enable.

4.     Include the file types such as .exe;.bat;.reg;.vbs in the Options box exactly as shown.

5.     Click OK.