So i downloaded CCleaner to fix my pc and after the scan finished it told me to reboot it after that my PC started to freeze so is there a way to fix it if there is plz tell me 
My Computer
- Computer type
- PC/Desktop
- Computer Manufacturer/Model Number
- Dell
- OS
- Window 7 64Bit
- Memory
- 1000GB
- Antivirus
- Avast
- Browser
- Google Chrome