bsalsa is a legitimate freeware embedded web browser; see
bsalsa EmbeddedWB Home - Google Search
MSMgr. error code 80048820 owes to any number of possible cause, and is widely documented; see
error code 80048820 - Google Search
Given that you've FF installed, you can, as a workaround for downloading and installing Windows Updates, use the alternate source at
WindizUpdate