For the most part Roblox works pretty well, but sometimes you get errors like ‘Failed to Download or Apply Critical Settings.’ Figuring out the problem is a bit of a head-scratcher.

If you are asked to continue installation without flag settings in Roblox, first clean Roblox App Data and see if it helps. More fixes here.

If you get the Failed to create directory message with error=3 when starting Roblox on your Windows PC, use these proven fixes.