Thank you all guys, I am fine now. Everything works well now. I removed all chrome extensions, and I promise that I will never add any extensions in the future. BTW, the extensions were added just a few months ago, after that I never add any other extensions.
I think it would be the peercoin ticker in my chrome browser.
Everyone, again here is my really bitcoin address starting with '152o': 152oBitoBwHwxR5UpUQnsvWSFjYHkheDJk