PC Reboot

[Seyoum]

My PC reboot whenever I try to download files like Registry cleaner and
anty spy software fro the internet

 

[Malke]

My PC reboot whenever I try to download files like Registry cleaner
and anty spy software fro the internet

You haven't provided enough information to get focused troubleshooting.
See this link for what you should include in a newsgroup post:

http://www.dts-l.org/goodpost.htm

Start by going through the following malware removal steps
systematically, making sure you do all preparatory work:

http://www.elephantboycomputers.com/page2.html#Removing_Malware

You will need to get all tools and updates from a different, known-clean
machine with an Internet connection and a cd burner - or have a usb
thumbdrive with enough capacity to transfer the files.

If the procedures look too complex and/or you don't have access to
another computer, take your machine to a professional computer repair
shop (not your local version of BigStoreUSA0.

Malke