一些Windows用户尝试在其 Windows 10 设备上执行系统还原时可能会遇到错误代码0x8007045b。这篇文章提供了最合适的解决方案/解决方法，您可以尝试有效地解决问题。

当您遇到此问题时，您将收到以下类似的完整错误消息；

System Restore did not complete successfully. Your computer’s system files and settings were not changed.

Details:
System Restore failed to extract the file from the restore point.
An unspecified error occurred during System Restore. (0x8007045b)

You can try System Restore again and choose a different restore point. If you continue to see this error, you can try an advanced recovery method.

由于系统还原^{(System Restore)}程序中的一个已知问题，会出现此问题。

修复系统还原错误 0x8007045b

如果还原点中有加密内容，当您启动系统还原^{(System Restore)}程序还原系统时，系统还原^{(System Restore)}会创建一个关机任务来完成真正的还原工作。执行此任务时，大多数系统服务已经停止。这包括加密文件系统 (EFS)。

如果还原点中的任何文件被EFS加密，^(EFS)系统还原^{(System Restore)}程序将不得不调用EFS服务以从还原点提取此类文件。但是因为EFS服务已经停止，并且因为系统正在关闭而无法重新启动，所以恢复过程失败。

要解决此问题，您需要启动到 Windows RE（恢复环境），然后运行系统还原^{(System Restore)}操作。

由于Windows RE预装在Windows 11/10中，您可以通过多种方式启动它。

1. 如果您卡在登录屏幕上，请单击关机^(Shutdown)按钮，然后按住Shift键选择^(Shift)重新启动^(Restart)。
2. Windows 11用户需要进入Settings > System>Recovery > Advanced Startup > Restart立即重启。Windows 10，转到Settings > Update和安全>Recovery >在高级启动^{(Advanced Startup)}下，单击立即重新启动^{(Restart now)}。
3. 您可以使用 恢复媒体^{(recovery media)} 启动到 Windows RE。

在 Windows RE 中，单击 疑难解答^{(Troubleshoot)} >高级选项^{(Advanced Options)} >系统还原^{(System Restore)}，然后按照提示执行系统还原^{(System Restore)}操作。

这解决了手头的问题，因为EFS始终在Windows RE中运行，并且由于系统还原^{(System Restore)}不必创建关闭任务来执行 Windows RE 中的还原工作，因此在Windows RE中^{(Windows RE)}不会出现此特定问题。

希望这篇文章对您有所帮助！

类似错误^{(Similar error)}：系统还原错误 0x8007007e^{(System Restore error 0x8007007e)}。

Fix System Restore error 0x8007045b on Windows 11/10

Some Windоws users when they try tо pеrform System Restore оn their Windows 10 device might encounter the error code 0x8007045b. This post offers the most suitable solution/workaround you can try to effectively resolve the issue.

When you encounter this issue, you’ll receive the following similar full error message;

System Restore did not complete successfully. Your computer’s system files and settings were not changed.

Details:
System Restore failed to extract the file from the restore point.
An unspecified error occurred during System Restore. (0x8007045b)

You can try System Restore again and choose a different restore point. If you continue to see this error, you can try an advanced recovery method.

This problem occurs because of a known issue in the System Restore program.

Fix System Restore error 0x8007045b

If there is encrypted content in the restore point, when you start the System Restore program to restore the system, System Restore creates a shutdown task to do the real restoration work. When this task is being executed, most system services are already stopped. This includes Encrypting File System (EFS).

If any file is being encrypted by EFS in the restore point, the System Restore program will have to call in to the EFS service to extract files of this kind from the restore point. But because the EFS service is already stopped and cannot be restarted because the system is being shut down, the restoration process fails.

To work around this issue, you need to boot into Windows RE (Recovery Environment), and then run the System Restore operation.

Since Windows RE is preinstalled in Windows 11/10, you can boot into it in multiple ways.

1. If you are stuck on the login screen, click on the Shutdown button, and then choose to Restart holding down the Shift key.
2. Windows 11 users need to go to Settings > System > Recovery > Advanced Startup > Restart now. Windows 10, go to Settings > Update & security > Recovery > under Advanced Startup, click Restart now.
3. You can use a recovery media to boot into Windows RE.

In Windows RE, click Troubleshoot > Advanced Options > System Restore, and then follow the prompt to perform the System Restore operation.

This resolves the issue at hand since EFS is always running in Windows RE, and because System Restore doesn’t have to create a shutdown task to perform the restoration work in Windows RE, this specific issue will not occur in Windows RE.

Hope you find this post helpful!

Similar error: System Restore error 0x8007007e.

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