Fix The Service Couldn’t Be Started Windows Defender Error 0x80070422: Windows Defender is a malware protection software which is inbuilt into Windows 10. Now it is used widely by Windows users because it’s reliable, but in some cases, users also installed 3rd party Antivirus software such as Norton, Quick Heal etc which is not recommend because they corrupt the files of Windows Defender. Once you completely uninstall 3rd party antivirus you won’t be able to use Windows Defender properly because files required by it have already been corrupted and can no longer be used.
“The service couldn’t be started.
The service cannot be started, either because it is disabled or because it has no enabled devices associated with it.”
Windows Defender is turned off when you use a 3rd party Antivirus and once you uninstall the Antivirus software you won’t be able to turn ON Windows Defender. If you try to enable Windows Defender you will face the error “The Service Couldn’t Be Started” with error code 0x80070422. So without wasting any time let’s see how to actually Fix The Service Couldn’t Be Started Windows Defender Error 0x80070422 with the help of below-listed troubleshooting guide.
Fix The Service Couldn’t Be Started Windows Defender Error 0x80070422
确保创建一个还原点,以防出现问题。
方法 1:运行 SFC 和 CHKDSK
1.按 Windows 键 + X,然后单击 命令提示符(管理员)。
2.现在在cmd中输入以下内容并按回车键:
Sfc /scannow sfc /scannow /offbootdir=c: /offwindir=c:windows (如果上述失败,请尝试这个)
3.等待上述过程完成,完成后重新启动电脑。
4.接下来,从这里运行CHKDSK 使用检查磁盘实用程序 (CHKDSK) 修复文件系统错误。
5.完成上述过程并再次重新启动计算机以保存更改。
Method 2: Temporarily Disable 3rd party Antivirus
1.右键单击 防病毒程序图标 从系统托盘中选择 禁用。
2.接下来,选择时间范围 防病毒软件将保持禁用状态。
注意:选择尽可能短的时间,例如 15 分钟或 30 分钟。
3.Once done, again try to run Windows Defender and check if the error resolves or not.
4.按 Windows 键 + X,然后选择 控制面板。
5.下一步,点击 系统和安全。
6.然后点击 Windows 防火墙。
7. 现在,从左侧窗格中单击“打开或关闭 Windows 防火墙”。
8.选择关闭 Windows 防火墙并重新启动您的电脑。 Again try to open Windows Defender and see if you’re able to Fix The Service Couldn’t Be Started Windows Defender Error 0x80070422.
如果上述方法不起作用,请确保按照完全相同的步骤再次打开防火墙。
方法 3:确保 Windows 是最新的
1.按 Windows 键 + I,然后选择 更新和安全性。
2.下一步,再次点击 检查更新 并确保安装所有待处理的更新。
3.安装更新后,重新启动您的电脑,看看是否能够 Fix The Service Couldn’t Be Started Windows Defender Error 0x80070422.
Method 4: Make sure Windows Defender service is set to Automatic
请注意: If Windows Defender service is grayed out in Services Manager then 跟随这篇文章.
1.按Windows键+R然后输入 SERVICES.MSC 并按Enter键。
2.Find the following services in the Services window:
Windows Defender 防病毒网络检查服务
Windows Defender 防病毒服务
Windows Defender Security Center Service
3.Double-click on each of them and make sure their Startup type is set to 自动表 and click Start if the services are not already running.
4.单击“应用”,然后单击“确定”。
5.重新启动您的电脑以保存更改并查看是否能够 Fix The Service Couldn’t Be Started Windows Defender Error 0x80070422.
Method 5: Enable Windows Defender through Registry Editor
1.按Windows键+R然后输入 注册表编辑器 并按Enter键。
2.导航到以下注册表项:
HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesWinDefend
3.Now right-click on WinDefend 并选择 权限。
4.Follow this guide in order to take full control or ownership of the above registry key.
5.After that make sure you have selected WinDefend then in the right window double-click on Start DWORD.
6.Change the value to 2 in the value data field and click OK.
7.关闭注册表编辑器并重新启动您的电脑。
8.Again try to enable Windows Defender and this time it should work.
方法 6:运行 CCleaner 和 Malwarebytes
2.运行恶意软件字节 并让它扫描您的系统是否有有害文件。
3.如果发现恶意软件,它将自动删除它们。
4.现在运行 CCleaner的 在“Windows”选项卡下的“清理”部分中,我们建议检查以下要清理的选项:
5.一旦您确定检查了正确的点,只需单击 运行清洁工, 让 CCleaner 顺其自然。
6.要清理系统,请进一步选择“注册表”选项卡并确保选中以下内容:
7.选择扫描问题并允许CCleaner扫描,然后单击 修复选定的问题。
8.当CCleaner询问“您想要备份对注册表的更改吗?”选择是。
9.备份完成后,选择“修复所有选定的问题”。
10.重新启动您的电脑以保存更改并查看是否能够 Fix The Service Couldn’t Be Started Windows Defender Error 0x80070422.
Method 7: Refresh or Reset your PC
1.按 Windows 键 + I 打开“设置”,然后选择 更新和安全性。
2.From left-hand menu select 修复工具 并点击“前往在线商城” under Reset this PC.
3.Select the option to 保存我的文件.
4.Follow the instructions on the screen to complete the process.
5.This will take some time and your computer will restart.
方法 8:修复安装 Windows 10
This method is the last resort because if nothing works out then this method will surely repair all problems with your PC. Repair Install just using an in-place upgrade to repair issues with the system without deleting user data present on the system. So follow this article to see How to Repair Install Windows 10 Easily.
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