Virt-Manager permissions

how to run virt-manager with sudo privilages by default ????

su root

And enter root password

no like I click virt-manager and automatically it asks me a for password without switching to terminal...

Add your user to libvirt & kvm groups so you wont be asked for a password.

sudo usermod -aG kvm youruser
sudo usermod -aG libvirt youruser

ok, the issue i'm facing is when i download a iso and start using it in Virt-manager it says permission denied... then i copy the iso to /tem and everything works good.... will the solution you gave solve my issue???

This could be pretty much everything you are doing there.
Try out and report back back :wink: