firefox and chrome keep crashing on lubuntu 19.04 and ubuntu 18.04 ff ver 68.0.2

firefox and chrome keep crashing on lubuntu 19.04 and ubuntu 18.04 ff ver 68.0.2 this is on a 4000 series ?? i7 with 8 gig ram 120 ssd, no video card i have another pc hooked on network that has had no issues in the last 6 days with chrome and ff ive changed Ethernet ports on router and back of i7 pc ive changed Ethernet cables that are 2 ft long ive disable hardware acceleration on both browsers i wasnt having an issue until about 3 weeks ago im fixing to try puppy linux on my usb drive for a couple of days