windows security alert in taskbar

i had a website popup and i normally go to task manager to get rid of in case of virus, well my taksmanager was disabled by administrator. i didnt click anything, I just restarted my laptop. there is a round red circle with a white x through it in my taskbar and every 10 sec a popup comes up saying Danger! unauthorized person is trying to steal your passwords and private information, click here to stop identity theft. Im not clicking on anything!!! I have malwarebytes and so far its showing one infection.. waiting for it to stop. now it says harmful viruses detected on your computer, protect ur computer by clicking here. Now a grey box there is unauthorized antivirus software detected, remove antimalwarebytes so it doesnt interfere with protection! yeah whatever! malwarebytes is complete with 6 infections.. heres what the log says. Registry Data Items Infected: HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr (Hijack.TaskManager) -> Bad: (1) Good: (0) -> Quarantined and deleted successfully. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr (Hijack.TaskManager) -> Bad: (1) Good: (0) -> Quarantined and deleted successfully. Folders Infected: (No malicious items detected) Files Infected: C:\Documents and Settings\Sarah\Local Settings\Temp\_VOID2041.tmp (Trojan.Agent) -> Quarantined and deleted successfully. C:\Documents and Settings\All Users.WINDOWS\Desktop\nudetube.com.lnk (Rogue.Link) -> Quarantined and deleted successfully. C:\Documents and Settings\All Users.WINDOWS\Desktop\pornotube.com.lnk (Rogue.Link) -> Quarantined and deleted successfully. C:\Documents and Settings\All Users.WINDOWS\Desktop\youporn.com.lnk (Rogue.Link) -> Quarantined and deleted successfully. hmm my laptop has never been on porn?? just topix??

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