Failed to boot

[lost pecan]

I don't know what's happening.
My computer works good, I want to save some pdf file from my web program but I can't so decide to restart system. Efect on photo.
Next I try B system but looks the same. Please help.

[hushed juniper]

Are you on a completely standard installation of VanillaOS or did you change anything using abroot?

[lost pecan]

Instalation is standard. I try install firewald but & probably than I broke something