I need some serious help here. I usually find solution through google and try to resolve it but this time. it looks like that I need a professional help
I am not able to update windows and I am not sure what happened. It is possible that I might have deleted some file or may be avast antivirus.
I have already tried some steps as below -
so here it is, please someone help me I don't want to re-install windows.
Thank you in advance