(for me) After the 4/10 Firefox 66.0.3 Update Nothing linked to BPP would Open today UNTIL ... Adv Setup/ Web - Email / SSL-TLS ... UN-Chk Exclude communications with trusted domains.
Then BPP Linked pages presented again. FYI unless it's only me.
P.S. Marcos, can you confirm access to all prior posts we make has been mostly purged. I remembered you saying to try this edit prior but I only see the 3 last posts I made (in the see all your posts link) , so it just took longer to find the solution in my case..