Make sure this things first:
1. Your computer meets the
minimum requirements
2. Your drivers for video card are up to date (I fix most problems when i update drivers of video card)
3. You are using the correct Cabal installer
4. You are not using any 3rd party programs (bots, cheat engine, and stuff)
5. Make sure that your firewall and anti virus program doesn't mess the cabal.exe
Do everything and post the results i will try to help u again if something is messed up