They already did that once on my Windows 10 machine a few years back. Wallpaper was reset to the default and my complete Firefox session was replaced by a singl

They already did that once on my Windows 10 machine a few years back. Wallpaper was reset to the default and my complete Firefox session was replaced by a single Bing tab. Luckily I could restore the session via "recently closed windows", but that was one of the last straws that made me wipe my last Windows installation. Risk of data loss is crossing the line for me.