= 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. }}}