after updating to Window 10 it was extremely slow. I reset to Window 7 and both IE and Google Chrome are not woirking. Help!

KCLEUNG

Estimable
Nov 8, 2015
1
0
4,510
after updating to Window 10 it was extremely slow. I reset back to Window 7 but both IE and Google Chrome have stopped working.
Problem Event name: APPCRASH
Help please!