Thinkpad Yoga - Cant turn on Windows Defender

Just got my thinkpad today in the mail. I went about uninstalling the included Norton antivirus trial with the intention of turning on windows defender. I uninstalled Norton in the control panel and then used Norton's removal tool just to make sure.
When I tried to turn windows defender on in action center nothing happened. No messages or pop ups or anything. After some googling I was able to edit a defender registry file to let me turn it on. When I try to turn it on now the following happens:
Link to picture
How can I turn on defender?
Moderator note; picture(s) converted to link(s) About Posting Pictures In The Forums

Did you check if the Defender service is Started and set to Automatic? Here is a similar thread from Microsoft Forums that you can refer:
http://social.technet.microsoft.com/Forums/windows/en-US/642a5e21-2d7f-4122-b26e-811cfe54a89d/window...
Thanks!
Harry
Norton Support

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My Windows defender is being turned off. How can I prevent this, & turn it back on?

This question was solved.
View Solution.

Hi,
I use ESET Endpoint Security and it's normal for this software to turn off Windows Defender to avoid potential conflicts that can occur if 2 security applications are running on the same PC.
Regards,
DP-K
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Thinkpad Yoga: Strange honking sounds and audio/video glitches

WARNING: LOUD VIDEO EXAMPLES
I have a Thinkpad Yoga, type 20CD with Windows 8.1, and when I'm running some white noise to help me concentrate, I get these strange honking noises that are quite disruptive. Even worse is that when I'm trying to watch a video on youtube, the honking noise occurs and this seems to lead to quick stalls in the video as well (note: the major stall in the middle of this video may just have been a bit of lag, I meant to highlight the minor stalls like the one that occurs at around 2 seconds). Actually, it seems that the honking causes the entire system's video to stall (e.g. cursor stalls, clock stalls, etc)
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cesario85 wrote:
OK The sticky label says SB0240
Here's the screenshot:
[img"]http://www.strikeforceguild.com/temp-images/IRQs.gif" width="640" height="45[/img]
I have since tried putting in a different sound card (another soundblaster, I think a 28 model) and installed its drivers but had the same problems. Im having a go at using the onboard sound though, just to see.Message Edited by cesario85 on 09--2005 06:57 PM
Audigy shares IRQ with IDE controller and firewire controller. This is not good.
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Can you check if your PC is running as "Standard PC" and not as "ACPI Uniprocessor PC" (Device Manager --> Computer). Make it "ACPI Uniprocessor PC" --> you get more IRQs (virtual) in use.
NOTE: You may need to reinstall OS to get this done.
Also you may need to enable APIC mode on BIOS.
How To:
A) Go to 'Device Manager' a short cut to get there is "Right Click" on the My computer Icon on your desktop (Control Panel --> System --> Hardware),
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E) Now Windows needs/will re-start and re-install all hardware/ settings needed to run in this configuration.
.jtpMessage Edited by jutapa on 09--2005 0:23 PM

Cannot activate Windows Defender imbedded in computer at purchase

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Go to Solution.

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Hi McWeid,
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BT Netprotect vs Windows Defender vs McAfee

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Thinkpad Yoga BIOS Update Problem after installing Windows 10

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Issues with Thinkpad yoga on Windows 7 64-bit

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Just when I was happy that major issues have been resolved by constant updating, I am now experiencing this frightening problem. Mostly during startup, and lately in the middle of working, the screen freezes, shows very damaged image (like TV noise), produces the most unpleasant sound through the speakers and nothing works. I need to restart and hope that it will be ok. Sometimes it requires 2 or 3 restarts, going to safe-mode and returning back to get the issue resolved.
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Any help please:
This is what appears on the screen when the computer freezes and produces loud unpleasant noise sound.
Link to image
Moderator note: large image(s) converted to link(s): About Posting Pictures In The Forums

[New Thinkpad Yoga 12 2015] enable Hyper-V feature on Windows 8.1 pro

Hello,
i am a french customer, and i am very interested in the New Thinkpad Yoga 12 2015, especially the version available with Windows 8.1 Pro. and processor Intel Core i7-5500U.
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So before buying this computer, i have to be sure that it will be able to enable the 'Hyper-V client'.
Thanks a lot for tour reply

Good day.
Please recall that this is a peer-2-peer support community. It's quite possible with the newness of the 2015 ThinkPad Yoga 12 (gen2), that no members with appropriate information have seen your post yet.
From the Community Guidelines:
"While members from Lenovo may participate at intervals to engage in the discussions and offer advice and suggestions, this forum is not designed as a dedicated and staffed support channel."
If you require official Lenovo support, you'll need to contact them directly. I've included the info below.
Regards.
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Im having problem with window defender it is off I tried turn on ... it won't turn on How do I set

hp touchsmart iq 504 window vista ..problem with window defender.. I bought pwoerline adapter I found out the window defender is not on and itis turn off I tried to fix turn on but it won't work I am deaf lady

lucky86 wrote:
What does defender do????
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Just when I was happy that major issues have been resolved by constant updating, I am now experiencing this frightening problem. Mostly during startup, and lately in the middle of working, the screen freezes, shows very damaged image (like TV noise), produces the most unpleasant sound through the speakers and nothing works. I need to restart and hope that it will be ok. Sometimes it requires 2 or 3 restarts, going to safe-mode and returning back to get the issue resolved.
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This is what appears on the screen when the computer freezes and produces loud unpleasant noise sound.
Link to image
Moderator note: large image(s) converted to link(s): About Posting Pictures In The Forums

ThinkPad Yoga S1 - Windows 10 unknown device

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No HDMI sound Windows 10 Thinkpad Yoga 12

No HDMI sound in Windows 10 on Thinkpad Yoga 12. Shows not connected in the sound panel, only video transmits over HDMI but soud plays throught speakers as it does not detect the audo link.

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Thinkpad Yoga - Cant turn on Windows Defender

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