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 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/ 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 Can't find your answer ? Ask ! Publish Related resources Windows Defender Service stops working Forum Is windows defender good and effective as an antivirus? Forum Radeon HD 7950 - Display driver stopped working (Only certain games) Forum Amd catalyst 12.11 beta driver has stopped working Forum Network apps stop working after installing AVAST in windows 8 Forum Windows Serices Keep Stopping Forum On Board LAN stopped working mid game. why ? Forum Catalyst control center has stopped working Forum Windows Defender plus Avast Forum Windows 7 x64 - Aero stopped working when using 2 displays, nvidia gtx260 Forum Wireless Internet Stops Working after 10 Mins Forum Windows common shell dll has stopped working Forum Dwarven Defender Forum Display Driver stopped responding and has recovered. Forum Many programs "has stopped working " and BSOD's Forum Why does corel office stop working as soon as I want to save or open a file? Forum My VIVO has stopped working Forum How to fix the problem: catalyst control centre:Host application has stopped wor Forum Only ethernet port on my mobo just stopped working Forum [Solved] Vista busness 32 product key free Forum More resources Read discussions in other Windows Vista categories Configuration Customization Drivers Security !