// fixed.

Let window boot in clean boot and play game no error any more.

Hide all microsoft service and disable all others none microsoft's .

that help me solve 620 error.

i did all upgrade and driver no works and clean boot does work.

google microsoft clean boot.

//

Row client ... 

Then game is end.

this repeated every few minute.

I cant play game at all. Please help me.

I have deleted game guard file and redownload but keep repeat later off.