blocks|key|208609|text|您可以尝试在不需要时停止Hyper-V服务，并在您要处理WP8项目时重新启用它。这很痛苦，但HAXM提供的性能改进是巨大的。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|208610|打开services.msc，找到hvboot服务(Hyper-V)并停止它。如果此操作不起作用，您可能需要禁用该服务并重新启动您的电脑。|208611|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

You could try stopping the Hyper-V service when not needed and re-enabling it when you want to work on a WP8 project. It's a pain but the performance improvement offered by HAXM is immense.

Open services.msc, find the hvboot service (Hyper-V) and stop it. If this doesn't help you may need to disable the service and restart your pc.

blocks|key|2846228|text|让HAXM再次检测VT的最好方法是关闭整个Hyper-V“功能”。打开“控制面板->”程序“->”“打开或关闭Windows功能”(在“程序和功能”下)，找到"Hyper-V"，取消选中，重新启动。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2846229|看起来Hyper-V和HAXM是相互排斥的，这是一种麻烦，因为你甚至需要重新启动两次才能启用或禁用这两个功能。|2846230|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

The best thing you can do to get HAXM detect VT again, is turning the whole Hyper-V "Feature" off. Open "Control Panel -> "Programs" -> "Turn Windows features on or off" (under "Programs and Features") and locate "Hyper-V", uncheck, reboot. 

Looks like Hyper-V and HAXM are mutually exclusive, which is kind of a nuisance, because you even need to reboot twice to enable or disable either feature.

blocks|key|208638|text|我在Windows+8上安装HAXM时遇到了类似的问题。我执行了以下操作，但没有效果：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|208639|使用此处的说明(http://blogs.msdn.com/b/virtual_pc_guy/archive/2008/04/14/creating-a-no-hypervisor-boot-entry.aspx)|offset|length|208640|Double检查处理器是否支持VT-x并在BIOS中启用了虚拟机管理程序(|unordered-list-item|208641|禁用了虚拟机管理程序)。|208642|验证了控制面板中的所有Hyper-V服务都已停止(并且从不自动关闭完全关机和冷启动。|208643|208644|208645|但是，我尝试在执行上述操作后安装VirtualBox+(VirtualBox安装正常)，并创建了一个新的VM。运行虚拟机导致我的计算机出现蓝屏，但在重启后HAXM安装正常。也许运行VirtualBox会在操作系统级别翻转某种标志，以允许安装HAXM。|208646|我当时也在运行AVAST，根据这个(Running+the+new+Intel+emulator+for+Android)，这可能会导致一个问题。然而，我并不需要禁用AVAST来安装HAXM。|208647|entityMap|0|LINK|mutability|MUTABLE|url|http://blogs.msdn.com/b/virtual_pc_guy/archive/2008/04/14/creating-a-no-hypervisor-boot-entry.aspx|1|https://stackoverflow.com/questions/10761696/running-the-new-intel-emulator-for-android/14649702#14649702^0|0|8|2Q|0|0|0|0|0|0|0|0|I|16|1|0^^$0|@$1|2|3|4|5|6|7|12|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|13|8|@]|9|@$D|14|E|15|1|16]]|A|$]]|$1|F|3|G|5|H|7|17|8|@]|9|@]|A|$]]|$1|I|3|J|5|H|7|18|8|@]|9|@]|A|$]]|$1|K|3|L|5|H|7|19|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|1A|8|@]|9|@]|A|$]]|$1|N|3|-4|5|6|7|1B|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|1C|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|1D|8|@]|9|@$D|1E|E|1F|1|1G]]|A|$]]|$1|S|3|-4|5|6|7|1H|8|@]|9|@]|A|$]]]|T|$U|$5|V|W|X|A|$Y|Z]]|10|$5|V|W|X|A|$Y|11]]]]

I had a similar problem installing HAXM on Windows 8. I did the following with no effect:

<ul>
<li>Disabled hypervisor using the instructions here (<a href="http://blogs.msdn.com/b/virtual_pc_guy/archive/2008/04/14/creating-a-no-hypervisor-boot-entry.aspx" rel="nofollow noreferrer">http://blogs.msdn.com/b/virtual_pc_guy/archive/2008/04/14/creating-a-no-hypervisor-boot-entry.aspx</a>)</li>
<li>Double checked that processor supported VT-x and was enabled in BIOS (BIOS said "supported", but there was no option to turn it on</li>
<li>Verified that all Hyper-V services in control panel were stopped (and never automatically started)</li>
<li>Performed a complete shutdown and a cold boot up.</li>
</ul>

However, I tried installing VirtualBox after the above actions (VirtualBox installed fine) and created a new VM. Running the VM caused my machine to blue screen, but after the reboot HAXM installed fine. Perhaps running VirtualBox flips some sort of flag at the OS level to allow HAXM to install.

I was also running AVAST at that time, and according this (<a href="https://stackoverflow.com/questions/10761696/running-the-new-intel-emulator-for-android/14649702#14649702">Running the new Intel emulator for Android</a>), that may cause a problem. However, I didn't have to disable AVAST to get HAXM installed.

blocks|key|2846289|text|我与您的情况相同，需要支持Hyper-V和Intel+HAXM。禁用和启用该功能，然后重新启动，这是过度杀伤力，所以我找到了一个替代解决方案。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2846290|您可以创建2个启动条目，一个用于启用Hyper-V常规配置的Windows，另一个禁用Hyper-V。我使用第二个系统登录(Hyper-V已禁用)，并且能够安装Intel+HAXM。|2846291|要实现这一点，您需要：|2846292|2846293|以off|ordered-list-item|2846294|命令的身份打开命令提示符：bcdedit+/copy+{current}+/d“Windows8-+No+Hyper-V"+|2846295|这将输出一个id，其格式为{+GUID+}，您需要将其复制才能在下一次GUID命令中使用：bcdedit+/set+{复制的步骤3的GUID<代码>E114}Hyper启动类型GUID|offset|length|style|BOLD|2846296|2846297|有关更多详细信息，请参阅此post。|2846298|entityMap|0|LINK|mutability|MUTABLE|url|http://blogs.msdn.com/b/virtual_pc_guy/archive/2008/04/14/creating-a-no-hypervisor-boot-entry.aspx^0|0|0|0|0|0|0|D|8|19|1B|0|0|0|I|D|4|0|0^^$0|@$1|2|3|4|5|6|7|12|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|13|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|14|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|15|8|@]|9|@]|A|$]]|$1|G|3|H|5|I|7|16|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|17|8|@]|9|@]|A|$]]|$1|L|3|M|5|I|7|18|8|@$N|19|O|1A|P|Q]|$N|1B|O|1C|P|Q]]|9|@]|A|$]]|$1|R|3|-4|5|6|7|1D|8|@]|9|@]|A|$]]|$1|S|3|T|5|6|7|1E|8|@$N|1F|O|1G|P|Q]]|9|@$N|1H|O|1I|1|1J]]|A|$]]|$1|U|3|-4|5|6|7|1K|8|@]|9|@]|A|$]]]|V|$W|$5|X|Y|Z|A|$10|11]]]]

I was in your same case that needed to support Hyper-V and Intel HAXM. Disabling and enabling the feature and then restarting was overkill so I found an alternative solution.

You can create 2 boot entries, one for Windows with the regular configuration of Hyper-V enabled and another one with Hyper-V disabled. I logged in with the second one (Hyper-V disabled) and I was able to install Intel HAXM. 

To accomplish this you need:

<ol>
<li>Open a command prompt as Administrator</li>
<li>Enter the command: bcdedit /copy {current} /d "Windows 8 - No Hyper-V" </li>
<li>This will output an id with the format {GUID} that you need to copy it to use it in the next command.</li>
<li>Enter the command: bcdedit /set { copied GUID of step 3 } hypervisorlaunchtype off</li>
</ol>

More details in this <a href="http://blogs.msdn.com/b/virtual_pc_guy/archive/2008/04/14/creating-a-no-hypervisor-boot-entry.aspx">post</a>.

blocks|key|210332|text|我也有同样的问题。经过长时间的寻找，我找到了答案。在我的例子中，我安装了Avast+Antivirus，首先卸载avast，重新启动您的PC，安装Haxm，重新启动。您可以重新安装杀毒软件。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|210333|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I had the same problem. After a long search I found the answer. In my case, I had installed Avast Antivirus, first uninstall avast, reboot your PC, install Haxm, reboot. you can install again antivirus.

I'm developing a suite of mobile apps - specifically Windows Store/Mobile 8 and Android.

Having installed VS2012 and then Monodroid, I was then able to start x86 Android images in the emulator and take advantage of the Intel HAXM acceleration (emulator output confirms HAXM working) to make the VM buttery-smooth.

I then installed the Windows Phone 8 SDK - which enables the Hyper V role - and now the emulator says it can't find HAXM. I then uninstalled and tried to reinstall HAXM, but now it won't - saying that my processor doesn't support it.

The VT-x extensions are still enabled in the BIOS - so I'm thinking that Hyper-V has blocked the Intel HAXM from working.

Of course it's not a killer - but a non-accelerated Android image is considerably slower than one with HAXM enabled - anybody else encountered this problem? Googling isn't bringing up anything obvious...

Update (30th Nov 2012)

Per @alexw's suggestion I tried stopping &amp; disabling Hyper-V; with a restart. It still doesn't work. 

I realise the next step is probably to the Windows Phone SDK (and remove Hyper-V) and then try again - to confirm that it really is the presence of Hyper-V. At the moment this is less than convenient - but I'll try and do it soon and update.

Android SDK's Intel HAXM disabled after installing Hyper V

虚拟机

Android

Windows

我正在开发一套移动应用--特别是Windows Store/Mobile8和Android。安装了VS2012和Monodroid后，我就可以在模拟器中启动x86安卓镜像，并利用Intel HAXM加速(模拟器输出确认HAXM工作)来使虚拟机变得流畅。然后我安装了Windows Phone 8 SDK -它启用了Hyp...

问安装Hyper V后，Android SDK的Intel HAXM被禁用
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