Hi Shripal.
Welcome to SCF Community!
We will do our best to help you.
Now, you will need to follow my instruction, so we can do that in a short time:
1. Please provide us all possible details related to yours problems.
2. Run Kaspersky Online AntiVirus Scan:
http://scforum.info/index.php/topic,734.0.html3. Download & run HijackThis:
http://scforum.info/index.php/topic,785.0.html4.
Provide us logs from HijackThis & Kaspersky Online ScanI'll be waiting yours reply (with logs).
bye,
Samker
P.S.
Also, I'll suggest you to register, so you have enabled more SCforum options.