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Digital signature cannot be read when installing win7 win8 dual system.
1. Why do you want to overwrite the original C drive with the Bootmgr file of Win8?

A: According to the author's test, if the Bootmgr file of Win8 is not used, the Win 8 system will not start.

2. Why can't I see the file Bootmgr in Windows7?

A: Because Bootmgr is a hidden file with system attributes, it is not displayed by default. You need to open the settings to show all hidden files. Please refer to displaying all hidden files in Win7.

3. Why can't I overwrite the Bootmgr file of Win8 with the original file of Drive C in Win7?

Answer: It may be a question of authority. Please start accessing WinPE through the U disk, and then copy the file to the C disk. For the method of accessing WinPE, please refer to accessing WinPE through USB flash drive.

4. Why is there a blue screen prompt that cannot verify the file after restarting?

Win8 can't start because the original bootmgr file of Win7 is not powerful. Please copy the original bootmgr file of Win7 of Win8 to drive C, or download the original bootmgr file provided by PConline directly.

5. Why do you prompt an error immediately after starting Win8 and restart it automatically after a few seconds?

A: It may be because the VHD partition you set is larger than the remaining space of disk D. If so, please clean disk D, or make a new VHD with Win8 version.

6. Is there any difference between the 6.VHD version of Win8 startup and the normal version of Win8 startup?

A: There must be a difference. The experience is basically zero.

7. Can I see the installation path of the software installed in the 7.VHD version of Win8 in Win7?

A: No, all the software is installed on the D disk of Win8_V.VHD

8. Why did disk D suddenly disappear after starting the VHD version of Win8 Chinese version?

A: This is because your VHD partition is set to 40G. As soon as you start the VHD version of Win8, the system will automatically occupy the remaining 40G space of D disk.

9. How to uninstall Win8?

Answer: The most formal method is to click the Windows VHD auxiliary processing tool, click Delete VHD startup project in BCD, and then delete the VHD file of D disk.