Hello Donna,
We are sorry to know that. We will check and help you to resolve it.
- Please confirm the operating system installed in your PC.
- Have you tried to clean your PC using AVG Tuneup program?
- Have you tried to restart the PC and checked the status?
- Could you please confirm what are all the programs under AVG Tuneup sleeplist?
Keep us updated. Thank you.
I renewed & updated & cleaned my PC today & now all I have is a BLACK SCREEN 
Hello Donna,
We are sorry to know that. We will check and help you to resolve it.
- Please confirm the operating system installed in your PC.
- Have you tried to clean your PC using AVG Tuneup program?
- Have you tried to restart the PC and checked the status?
- Could you please confirm what are all the programs under AVG Tuneup sleeplist?
Keep us updated. Thank you.