Help: I have pop up windows waring on infectous virus every 10 secs

Is say:
Your system is infected with dangerous virus!
Note: Storngly recommend to install antispyware program to clean your system and avod total crash of your computer!

Clik OK to download antispyware (Recommended)

OK / Cancel

If clik ok, is link to the site to download *.exe program
If click cancel, is will popup again every 10 secs, of using computer.

I try to scan with NOD 32, using Spybot. still not work!

Please help Thank you very much

 

first use MAM:

Please download Malwarebytes' Anti-Malware to your desktop:

http://www.besttechie.net/tools/mbam-setup.exe

* Double-click mbam-setup.exe and follow the prompts to install the program.
* Be sure a checkmark is placed next to Update Malwarebytes' Anti-Malware and Launch Malwarebytes' Anti-Malware, then click Finish.
* If an update is found, it will download and install the latest version.
* Once the program has loaded, select Perform FULL SCAN, then click Scan.
* When the scan is complete, click OK, then Show Results to view the results.
* Be sure that everything is checked, and click Remove Selected.
* When completed, a log will open in Notepad. Please save it to a convenient location. The log can also be opened by going to Start > All Programs > Malwarebytes' Anti-Malware > Logs > log-date.txt
--------------------------------------
next:
* Save HJTInstall.exe to your desktop.

http://www.trendsecure.com/portal/en-US/threat_analytics/HJTInstall.exe

* Doubleclick on the HJTInstall.exe icon on your desktop.
* By default it will install to C:\Program Files\Trend Micro\HijackThis .
* Click on Install.
* It will create a HijackThis icon on the desktop.
* Once installed, it will launch Hijackthis.
* Click on the Do a system scan and save a logfile button. It will scan and the log should open in notepad.
* Click on "Edit > Select All" then click on "Edit > Copy" and Paste the entire contents of the log in next reply.

post the malwarebytes log and a hjt log