dwm.exe

You are no doubt reading this article because you stumbled across the Desktop Window Manager process and are wondering just what it is. We’ve got the answer.

您无疑会阅读本文，因为您偶然发现了Desktop Window Manager进程，并且想知道它到底是什么。 我们得到了答案。

The Desktop Window Manager process (dwm.exe) composites the display of application windows before drawing it to your screen. This allows Windows to add effects like transparency and live taskbar thumbnails. This process is a vital part of Windows that you cannot prevent from running.

桌面窗口管理器进程(dwm.exe)在将应用程序窗口显示到屏幕之前对其进行合成。 这使Windows可以添加透明度和实时任务栏缩略图之类的效果。 此过程是Windows无法阻止的重要部分。

This article is part of our ongoing series explaining various processes found in Task Manager, like ctfmon.exe, mDNSResponder.exe, conhost.exe, rundll32.exe, Adobe_Updater.exe, and many others. Don’t know what those services are? Better start reading!

本文是我们正在进行的系列文章的一部分，解释了在任务管理器中发现的各种过程，例如ctfmon.exe ， mDNSResponder.exe ， conhost.exe ， rundll32.exe ， Adobe_Updater.exe等。 不知道这些服务是什么？ 最好开始阅读！

那么什么是桌面窗口管理器？ (So What Is Desktop Window Manager?)

Desktop Window Manager (dwm.exe) is a compositing window manager that renders all those pretty effects in Windows: transparent windows, live taskbar thumbnails, Flip3D, and even high resolution monitor support.

桌面窗口管理器(dwm.exe)是一个合成窗口管理器，可在Windows中呈现所有这些漂亮的效果：透明窗口，实时任务栏缩略图，Flip3D甚至高分辨率监视器支持。

Instead of applications drawing their displays directly to your screen, applications write the picture of their window to a specific place in memory. Windows then creates one “composite” view of all the windows on the screen before sending it to your monitor. Because Windows is compositing and displaying the contents of each window, it can add effects like transparency and window animations when layering the windows for display.

应用程序无需将应用程序直接将其显示内容绘制到屏幕上，而是将其窗口的图片写到内存中的特定位置。 然后，Windows将屏幕上所有窗口的一个“合成”视图发送到显示器。 因为Windows正在合成并显示每个窗口的内容，所以在对窗口进行分层显示时，它可以添加诸如透明度和窗口动画之类的效果。

我可以关闭桌面窗口管理器吗？ (Can I Turn Desktop Window Manager Off?)

No, you can’t. Back in the Vista days, Desktop Window Manager was controlled through a service that you could turn off—and in turn disable all the visual effects. Starting with Windows 7, Desktop Window Manager became a more integral part of Windows, that’s vital to creating the graphical user interface. That integration has deepened even further in Windows 8 and 10.

不，你不能。 在Vista时代，Desktop Window Manager是通过一项可以关闭的服务来控制的，从而禁用了所有视觉效果。 从Windows 7开始，Desktop Window Manager成为Windows不可或缺的一部分，这对于创建图形用户界面至关重要。 Windows 8和10中的集成进一步加深了。

The good news is that Desktop Window Manager has gotten a lot better about how it manages resources, and you shouldn’t really need to turn it off.

令人欣慰的是，Desktop Window Manager在如何管理资源方面已经有了很多进步，您实际上不需要关闭它。

如果内存和CPU用完了怎么办？ (What Can I Do If It’s Using Up RAM and CPU?)

Desktop Window Manager should use fairly minimal resources. On my system, for example, I’ve got half a dozen active apps running, including Chrome, which has got more than a dozen tabs open. Even then, Desktop Windows Manager is using a little less than 1% CPU and about 60 MB RAM. That’s a pretty typical load. You should rarely see it creep much higher than that, and even if it does spike higher on occasion, it should settle back down quickly.

桌面窗口管理器应使用相当少的资源。 例如，在我的系统上，我运行了六个活动应用程序，其中包括Chrome，该应用程序打开了十多个选项卡。 即使这样，Desktop Windows Manager仍使用不到1％的CPU和大约60 MB的RAM。 这是一个非常典型的负载。 您很少会看到它的蠕变远高于该蠕动，即使它偶尔出现飙升，它也应该很快回落。

If you do see Desktop Window Manager eating up more RAM or CPU than you think it should, there are a couple of things you can try:

如果您确实看到Desktop Window Manager消耗了过多的RAM或CPU，您可以尝试以下几种方法：

• Make sure you have your hardware drivers updated, especially the drivers for your video card or integrated graphics adapter. Desktop Window Manager offloads a lot of work to your GPU to reduce load on your CPU.

  确保您已更新硬件驱动程序，尤其是视频卡或集成图形适配器的驱动程序。 Desktop Window Manager将大量工作分担给GPU，以减少CPU的负担。

• Check your computer for malware. Some types of malware are known to cause issues with Desktop Window Manager.

  检查您的计算机上是否存在恶意软件。 已知某些类型的恶意软件会导致Desktop Window Manager出现问题。

Those are both good places to start.

这些都是开始的好地方。

这个过程可能是病毒吗？ (Could this Process Be a Virus?)

The Desktop Window Manager process itself is an official Windows component. While it’s possible that a virus has replaced the real process with an executable of its own, it’s very unlikely. If you’d like to be sure, you can check out the underlying file location of the process. In Task Manager, right-click the Desktop Window Manager process and choose the “Open File Location” option.

Desktop Window Manager进程本身是Windows的正式组件。 尽管病毒可能用自己的可执行文件代替了实际进程，但这种可能性很小。 如果您想确定的话，可以签出该过程的基础文件位置。 在任务管理器中，右键单击“桌面窗口管理器”进程，然后选择“打开文件位置”选项。

If the file is stored in your Windows\System32 folder, then you can be fairly certain you are not dealing with a virus.

如果文件存储在Windows \ System32文件夹中，则可以确定您没有在处理病毒。

That said, if you still want a little more peace of mind, you can always scan for viruses using your preferred virus scanner. Better safe than sorry!

就是说，如果您仍想更加放心，则可以始终使用首选的病毒扫描程序来扫描病毒。 安全胜过遗憾！

翻译自: https://www.howtogeek.com/howto/windows-vista/what-is-dwmexe-and-why-is-it-running/

dwm.exe