Windows 10: this installation is forbidden by system policy. contact your system administrator

I get this error when I try to connect the flash drive to the systemEven the mouse and keyboard gave this errorI ran the script below once and it worked, but again the same thing happens to Flash[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DeviceInstall\Restrictions]"DenyRemovableDevices"=-I tried this and it didn't help:Computer Configuration > Administrative Templates > Windows Components > Windows Installer.”Double-click on the “Prohibit non-administrators from applying vendor signed updates” and select Disabled. 2.Local Security Policy New Software Restricti

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malware that is giving error "This installation is forbidden by system policy. Contact your system administrator."

I am needing to install a driver update for my network adapter and believe a malware is giving error "This installation is forbidden by system policy. Contact your system administrator." and not allowing me to install from the flash drive

 

Error 1625: This installation is forbidden by system policy

error 1625: this installation is forbidden by system policy. contact your system administrator.

Original title/subject: error

 

this installation is forbidden by system policy. contact your system administrator

when i try to connect something to my laptop it always says installation is forbidden by system policy.All except a keyboard and an office mouse.But when i try to plug in my phone charger to connect it,it gives my this message,not only that but aso a new gaming mouse i bought and my usb.I dont know whats wrong with it and ive tried lot of things like Prohibit non-administrators from applying vendor signed updates,Software Restriction Policies node and select New Software Restriction Policy and disable.msi.