"Your computer is infected" keeps popping up, Help plz.

can someone help me plz?

 

hi,

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

post a hjt log also:

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

* Save HJTInstall.exe to your desktop.
* 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 (no attachments) into your reply.

post the malwarebytes log and the hjt log.