hello, can you please copy and paste your report ids in text form - transcribing those from an image would be quite bothersome... thank you!

Please post the reports A S A P

Product Firefox Release Channel release Version 70.0.1 Build ID 20191030021342 (2019-10-30) Buildhub data OS Windows 7 OS Version 6.1.7601 Service Pack 1

Mon, 02 Dec 2019 14:21:08 GMT bp-1a63d7f6-8343-4193-800b-5bda00191202 Signature: memcpy | gfxDWriteFontEntry::CopyFontTable

Crash Reason EXCEPTION_IN_PAGE_ERROR_READ / STATUS_DEVICE_DATA_ERROR

this one report indicates that the system disk has errors - please try to scan it for integrity/repair it as described in https://support.microsoft.com/help/2641432/check-your-hard-disk-for-errors-in-windows-7

You can also do a RAM test (memtest.org) and possibly check for font related issues and check the system fonts via sfc.exe /scannow