Hi,
Have you tried to clear the temp files and cache of Roblox?
If not, please try the following steps.
Temp files:
- Make sure Roblox is not running in the background before you delete any files. Check the task manager.
- Press Win key + R and then type: %temp%
- Hit enter. This will open your temporary files; you can delete all of them or find any related temp on Roblox.
Cache files:
- Press the Win key + R and then type %localappdata%\Roblox
- Hit enter. Open the Cache folder and delete its contents:
You may also delete the files on the logs and downloads.
Empty your Recycle Bin and restart the PC.
If the issue persists, please uninstall Roblox again and then make sure to restart your PC. Install Roblox again.
If you need additional assistance, please let me know.
Stay Safe!