Why has Windows Defender stopped working? Tags: Security Windows Defender Defender Windows Vista Last response: July 3, 2010 10:36 PM in Windows Vista Share Ben_63 July 3, 2010 5:07:41 PM Why has my Windowa Defender stopped workinh/ More about : windows defender stopped working mibix19 July 3, 2010 8:17:22 PM Are you using another form of antimalware/spyware software. This can turn off windows defender somtimes. If not turn it back on in control panel m 0 l Jonmor68 July 3, 2010 9:11:04 PM Microsoft has replaced Defender with Microsoft Security Essentials, download it here. http://www.microsoft.com/security_essentials/ m 0 l Can't find your answer ? Ask ! Get the answer mibix19 July 3, 2010 10:36:36 PM Jonmor68 Thanks, I didn't know that.(As I don't use it) Cheers m 0 l Can't find your answer ? Ask ! Publish Related resources Windows Defender Service stops working Forum SolvedWindows Defender...why is it rated so low? Forum SolvedWindows Defender Service stops during a scan Forum windows 8 defender not working defender Forum Windows 8 App Store and defender not working? Forum Wifi stops working when I use dual display. Why? - windows 8 Forum SolvedATI FireGL Z1 and Windows 7 - Graphics Driver has stopped working/blue screen/auto restart Forum Why Has My DVI Stopped Working? Forum SolvedWindows Explorer Has Stopped Working. Forum SolvedWindows 7 "Start" button has stopped working Forum SolvedWifi suddenly stopped working on Sony Vaio Windows 7, but iPhone, iPad and Ethernet cable can connect Forum Solvedall usb ports stopped working asus windows 7 Forum Solvedsli stopped working after windows 8.1 install Forum Solvedkeyboard stopped working windows 7 Forum SolvedWhy does Wake on WAN stop working after a while? Forum SolvedI can't turn Windows Defender back on Forum SolvedIs Windows Defender all I need? Forum SolvedSSD Stopped working and Windows 7 trouble Forum SolvedWindows explorer stopped working Forum Windows 8.1 Error: Host process for Setting synchronization has stopped working Forum More resources Read discussions in other Windows Vista categories Configuration Customization Drivers Security !