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 | E-mail me updates | Report abuse Register or log in to remove 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 | Report abuse 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/ | Report abuse mibix19 July 3, 2010 10:36:36 PM Jonmor68 Thanks, I didn't know that.(As I don't use it) Cheers | Report abuse Register or log in to remove Ask the community Publish Tom's Hardware>Forum>Windows Vista>Why has Windows Defender stopped working?> Related ressources: ForumWindows Defender Service stops working ForumIs windows defender good and effective as an antivirus? ForumRadeon HD 7950 - Display driver stopped working (Only certain games) ForumAmd catalyst 12.11 beta driver has stopped working ForumNetwork apps stop working after installing AVAST in windows 8 ForumWindows Serices Keep Stopping ForumOn Board LAN stopped working mid game. why ? ForumCatalyst control center has stopped working ForumWindows Defender plus Avast ForumWindows 7 x64 - Aero stopped working when using 2 displays, nvidia gtx260 ForumWireless Internet Stops Working after 10 Mins ForumWindows common shell dll has stopped working ForumDwarven Defender ForumDisplay Driver stopped responding and has recovered. ForumMany programs "has stopped working " and BSOD's ForumWhy does corel office stop working as soon as I want to save or open a file? ForumMy VIVO has stopped working ForumHow to fix the problem: catalyst control centre:Host application has stopped wor ForumOnly ethernet port on my mobo just stopped working Forum[Solved] Vista busness 32 product key free More resources Read discussions in other Windows Vista categories Configuration Customization Drivers Security !