Finally, restart your computer and try to run Roblox again. Fix #5: Run Roblox in Compatibility Mode. If you’re using an older version of Windows, you may be having a compatibility issue with ...

Your mouse scroll wheel may stop working in Chrome & you can't scroll down on certain websites. If you experience this issue, see this fix.

If your mouse wheel feels jerky or scrolls the wrong way, here's how to get back to smooth scrolling.