Important files damaged: dcs_manifest.bin Please repair. Check log for details.

[jg19er]

dcs_manifest.bin What is this? What must I do to fix this?

[rob10]

1st check that you have DCS excluded from your anti-virus (anit-virus may have caused the issue in the first place), then run a REPAIR on your DCS (can't remember what it's called in STEAM but something like "verify" if you're using Steam).