Roblox may not be opening due to various reasons. One common issue is background processes or applications interfering with Roblox. Check the Task Manager for any unfamiliar applications that might be running.
If you use Bitdefender antivirus, it could be preventing Roblox from launching. Adding Roblox as an exception in Bitdefender’s settings can solve this problem.
Corrupted temporary files can also cause issues. Clearing these files can help. For Windows 10, these files are located at `C:Users
Reinstalling Roblox and ensuring both your operating system and Roblox are up to date can also help resolve this issue.
If Roblox refuses to launch from a browser, try using a different browser or reinstalling Roblox. Deleting specific files like `webview2loader.dll` and then reinstalling Roblox can also resolve the issue.