如果您无法访问Internet或您的WiFi无法正常工作，那么您要做的第一件事就是运行内置的 Windows 10网络疑难解答^{(Network Troubleshooter)}程序，但是当疑难解答^{(troubleshooter isn)}程序无法解决问题时会发生什么，而是显示错误消息“^{(error message “)}诊断策略服务未运行^{(The Diagnostics Policy Service Is Not Running)}”。那么^(Well)，在这种情况下，您需要自己解决问题并修复根本原因以解决此问题。

什么是诊断策略服务？^{(What is the Diagnostics Policy Service?)}

诊断策略服务^{(Diagnostic Policy Service)}是Windows内置故障排除程序用来检测您的PC 的任何问题以及解决^{(PC and resolution)}Windows上^(Windows)的Windows组件的服务。现在，如果服务因某种原因停止或未运行，则Windows的诊断功能将不再起作用。

为什么诊断策略服务没有运行？^{(Why is the Diagnostics Policy Service is not running?)}

您可能会问，为什么这个问题首先出现在您的 PC 上？好吧，导致此问题的原因有多种，例如诊断策略服务^{(Policy Service)}可能被禁用，网络服务没有^{(network service doesn)}管理权限，网络驱动程序过时或损坏等。所以不要浪费任何时间，让我们^{(time let)}看看如何借助下面列出的教程，修复诊断策略服务未运行无 Internet 访问错误。^{(Fix Diagnostics Policy Service Is Not Running No Internet Access Error)}

修复诊断^{(Diagnostics)} 策略服务^{(Policy Service)}未运行错误

确保^(Make)创建一个还原点^{(restore point)} 以防万一^{(case something)}出现问题。

方法一：启动诊断策略服务^{(Method 1: Start Diagnostics Policy Service)}

1.按 Windows 键 + R 然后键入services.msc并按 Enter。

2.在服务窗口中，找到并右键单击^{(right-click)}诊断策略服务^{(Diagnostics Policy Service)}，然后选择属性。^{(Properties.)}

3.如果服务正在运行，则单击停止^(Stop)，然后从启动类型^{(Startup type)}下拉列表中选择自动。^(Automatic.)

4.单击开始^{( Start)}，然后单击应用，然后单击确定。

5.查看您是否能够修复诊断策略服务未运行错误。^{(fix the Diagnostics Policy Service Is Not Running error.)}

方法 2：授予网络服务管理权限^{(Method 2: Give Administrative Privilege to Network Services)}

1.按Windows Key + X然后选择命令提示符（管理员）。^{(Command Prompt (Admin).)}

2.在cmd中输入^{(cmd and hit Enter)}以下命令并在每个命令后按Enter：

net localgroup Administrators /add networkservice
net localgroup Administrators /add localservice

3.一旦命令成功执行，重新启动您的 PC 以保存更改。

方法 3：重新安装网络适配器驱动程序^{(Method 3: Reinstall Network Adapter Drivers)}

1.按 Windows 键 + R 然后键入devmgmt.msc并按Enter打开设备管理器^{(Device Manager)}。

2.扩展网络适配器^{(Exand Network adapters)}，然后右键单击^{(right-click)}您的设备并选择卸载。^{( Uninstall.)}

3.勾选^(Checkmark)“删除此设备的驱动程序软件^{(Delete the driver software for this device)}”并点击卸载。^(Uninstall.)

4.单击 设备管理器菜单^{(Device Manager menu)}中的操作^(Action)并选择 扫描硬件更改^{( Scan for hardware changes)} 选项。

4.重新启动您的 PC 以保存更改，Windows 将自动安装默认网络驱动程序。^{(Windows will automatically install the default network drivers.)}

5.如果问题仍未解决，请从您的PC 制造商^{(PC manufacturer)}网站下载最新的驱动程序。

方法 4：使用系统还原^{(Method 4: Use System Restore)}

1.打开开始^{(Start )}或按Windows键。^{(Windows Key.)}

2.在 Windows 搜索下键入还原^(Restore)，然后单击创建还原点^{(Create a restore point)}。

3.选择系统保护^{(System Protection)}选项卡，然后单击系统还原^{(System Restore )}按钮。

4.单击下一步^(Next)并选择所需的系统还原点^{(System Restore point)}。

4.按照屏幕上的说明完成系统还原^{(System Restore)}。

5.重新启动后，再次检查您是否能够修复诊断策略服务未运行错误。^{(fix Diagnostics Policy Service is not running error.)}

方法 5：运行 SFC 和 DISM^{(Method 5: Run SFC and DISM)}

1.按Windows Key + X然后单击命令提示符（管理员）。^{( Command Prompt (Admin).)}

2.现在在cmd中输入以下内容并回车：

Sfc /scannow
sfc /scannow /offbootdir=c:\ /offwindir=c:\windows (If above fails then try this one)

3.等待上述过程完成，完成后重新启动您的电脑。

4.再次打开cmd并输入以下命令并^{(command and hit enter)}在每个命令后按回车键：

Dism /Online /Cleanup-Image /CheckHealth
Dism /Online /Cleanup-Image /ScanHealth
Dism /Online /Cleanup-Image /RestoreHealth

5.让DISM 命令运行并等待^{(DISM command run and wait)}它完成。

6. 如果上述命令^{(command doesn)}不起作用，请尝试以下操作：

Dism /Image:C:\offline /Cleanup-Image /RestoreHealth /Source:c:\test\mount\windows
Dism /Online /Cleanup-Image /RestoreHealth /Source:c:\test\mount\windows /LimitAccess

注意：^(Note:) 将^(Replace)C:RepairSourceWindows替换为修复源^{(repair source)}的位置（Windows 安装^{(Windows Installation)}或恢复光盘）。

7.重新启动您的 PC 以保存更改并查看您是否能够 修复诊断策略服务未运行错误，^{(Fix Diagnostics Policy Service is not running error,)}

方法 6：重置 Windows 10^{(Method 6: Reset Windows 10)}

注意：^(Note:)如果您无法访问您的 PC，请重新启动您的 PC 几次，直到您开始自动修复^{(Automatic Repair )}或使用本指南访问高级启动^{(Advanced Startup)}选项。然后导航到 Troubleshoot > Reset this PC > Remove everything.

1.按Windows Key + I 打开设置^(Settings)，然后单击更新和安全图标。^{( Update & Security icon.)}

2.从左侧菜单中选择恢复。^{( Recovery.)}

3.在重置此 PC^{(Reset this PC)}下，单击“开始^{(Get Started)}使用”按钮。

4.选择 保留我的文件^{(Keep my files)}的选项。

5.对于下一步，您可能会被要求插入Windows 10安装介质，因此请确保您已准备好。

6.现在，选择您的Windows 版本，然后仅单击^{(Windows and click)} 安装 Windows 的驱动器^{(on only the drive where Windows is installed)}>删除我的文件。^{(Just remove my files.)}

7.单击重置按钮。^{( Reset button.)}

8.按照屏幕上的说明完成重置。

推荐的：^{(Recommended:)}

• ^{(Create Multiple Gmail)} 无需电话号码验证^{(Phone Number Verification)}即可创建多个 Gmail帐户^(Accounts)
• ^{(Identify and Install Missing Audio)}在Windows中^(Windows)识别并安装缺少的音频和视频编解码器^{(Video Codecs)}
• 修复我们无法在Windows 10上^{(Windows 10)}登录您的帐户错误^{(Sign Into Your Account Error)}
• 解决谷歌浏览器^{(Google Chrome)}页面加载缓慢的^{(Fix Slow Page Loading)}10种方法^(Ways)

如果您已成功修复诊断策略服务未运行错误^{(Fix The Diagnostics Policy Service Is Not Running Error)} ，但如果您对本文仍有任何疑问，请随时在评论部分询问。

Fix The Diagnostics Policy Service Is Not Running Error

If yоu’re not able to access the Internet or your WiFi is not wоrking properly then the first thing you do is run the inbuilt Windowѕ 10 Network Troubleshooter but what happenѕ when the troubleshooter isn’t able to fix the iѕsue, instead it shows the error message “The Diagnostics Policy Service Is Not Running“. Well, in this case, you need to troubleshoot the issue yourself and fix the underlying cause to resolve this problem.

What is the Diagnostics Policy Service?

The Diagnostic Policy Service is the service which is used by the Windows in-built troubleshooter to detect any problems with your PC and resolution for Windows components on Windows. Now if the service is stopped or not running due to some reason then the diagnostics function of the Windows will no longer function.

Why is the Diagnostics Policy Service is not running?

You may ask, why this issue is occurring in the first place on your PC? Well, there are several reasons as to why this issue is caused such as Diagnostics Policy Service might be disabled, network service doesn’t have administrative permission, outdated or corrupted network drivers, etc. So without wasting any time let’s see How to Fix Diagnostics Policy Service Is Not Running No Internet Access Error with the help of the below-listed tutorial.

Fix The Diagnostics Policy Service Is Not Running Error

Make sure to create a restore point just in case something goes wrong.

Method 1: Start Diagnostics Policy Service

1.Press Windows Key + R then type services.msc and hit Enter.

2.In the services window, find and right-click on Diagnostics Policy Service and select Properties.

3.If the service is running then click on Stop and then from the Startup type drop-down select Automatic.

4.Click Start then click Apply followed by OK.

5.See if you’re able to fix the Diagnostics Policy Service Is Not Running error.

Method 2: Give Administrative Privilege to Network Services

1.Press Windows Key + X then select Command Prompt (Admin).

2.Type the following command into cmd and hit Enter after each one:

net localgroup Administrators /add networkservice
net localgroup Administrators /add localservice

3.Once the command executed successfully, reboot your PC to save changes.

Method 3: Reinstall Network Adapter Drivers

1.Press Windows Key + R then type devmgmt.msc and hit Enter to open Device Manager.

2.Exand Network adapters then right-click on your device and select Uninstall.

3.Checkmark “Delete the driver software for this device” and click Uninstall.

4.Click Action from the Device Manager menu and select the Scan for hardware changes option.

4.Reboot your PC to save changes and Windows will automatically install the default network drivers.

5.If the issue is still not resolved then download the latest drivers from your PC manufacturer’s website.

Method 4: Use System Restore

1.Open Start or press Windows Key.

2.Type Restore under Windows Search and click on Create a restore point.

3.Select the System Protection tab and click on the System Restore button.

4.Click Next and choose the desired System Restore point.

4.Follow the on-screen instruction to complete the System Restore.

5.After reboot, again check if you’re able to fix Diagnostics Policy Service is not running error.

Method 5: Run SFC and DISM

1.Press Windows Key + X then click on Command Prompt (Admin).

2.Now type the following in the cmd and hit enter:

Sfc /scannow
sfc /scannow /offbootdir=c:\ /offwindir=c:\windows (If above fails then try this one)

3.Wait for the above process to finish and once done restart your PC.

4.Again open cmd and type the following command and hit enter after each one:

Dism /Online /Cleanup-Image /CheckHealth
Dism /Online /Cleanup-Image /ScanHealth
Dism /Online /Cleanup-Image /RestoreHealth

5.Let the DISM command run and wait for it to finish.

6. If the above command doesn’t work then try on the below:

Dism /Image:C:\offline /Cleanup-Image /RestoreHealth /Source:c:\test\mount\windows
Dism /Online /Cleanup-Image /RestoreHealth /Source:c:\test\mount\windows /LimitAccess

Note: Replace the C:\RepairSource\Windows with the location of your repair source (Windows Installation or Recovery Disc).

7.Reboot your PC to save changes and see if you’re able to Fix Diagnostics Policy Service is not running error,

Method 6: Reset Windows 10

Note: If you can’t access your PC then restart your PC a few times until you start Automatic Repair or use this guide to access Advanced Startup options. Then navigate to Troubleshoot > Reset this PC > Remove everything.

1.Press Windows Key + I to open Settings then click on Update & Security icon.

2.From the left-hand menu select Recovery.

3.Under Reset this PC click on the “Get Started” button.

4.Select the option to Keep my files.

5.For the next step you might be asked to insert Windows 10 installation media, so ensure you have it ready.

6.Now, select your version of Windows and click on only the drive where Windows is installed > Just remove my files.

7.Click on the Reset button.

8.Follow the instructions on the screen to complete the reset.

Recommended:

• Create Multiple Gmail Accounts Without Phone Number Verification
• Identify and Install Missing Audio & Video Codecs in Windows
• Fix We Can’t Sign Into Your Account Error on Windows 10
• 10 Ways To Fix Slow Page Loading In Google Chrome

That’s if you have successfully Fix The Diagnostics Policy Service Is Not Running Error but if you still have any queries regarding this article then please feel free to ask them in the comment’s section.

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