If you are having Issues with Roblox Crashing whenever you Inject do the fixes in Fix tab.
Do the following stuff to fix Crashing on Injection issue
Windows Key + R > %localappdata% > Delete Roblox Folder
Control Panel > Programs > Uninstall a Program > Uninstall Roblox Player ( username )
and then just install Roblox again.
Install Direct X
then just install it uncheck Install Bing Bar and just run Synapse X after.
Workspace, Bin, Auth folder and then relaunch Synapse X