My device manager will not load. When it does open it closes quickly. It will nit allow my broadband to install. What do I do/how do I correct?

Can yo provide a llittle more info, have you tried to open device mgr in safe mode

Check out this and see if anything is helpful

run command to open device manager - Google Search

Do you have a restore point prior to this problem -- 1 week ago?

I hope this helps -- should stop computer from restarting after fault

Startup and Recovery option: Stop the automatic reboots

If you get an error message we can go from there