Can't Install Windows? MBR/GPT Error Fix in 1 Minute!...

1. Hold Shit + F10 then open Sources tab
2. Type : diskpart
3. press enter
4. type: list disk
5. select disk which is uninstall partition like Type : select disk 0
6. type: clean
7. after cleaning the disk
8. Type: convert GPT
9. after Converting Type: Exit