When the win10 upgrade encounters the boot system detection does not pass, how to solve it?

When the win10 upgrade encounters the boot system detection failure, how to solve it? If you try to upgrade, it may cause the new system to fail to start. Boot system detection will detect the BCD file of your current system, whether it is the BCD file of Microsoft's official original MSDN system, you can't pass the test when the following conditions are detected.
1. Your current system is damaged by some malicious programs, BCD files are not officially "Official original";
2. BCD files are rewritten due to third-party non-regular activation tools;
3. The current computer has a non-Windows operating system (such as Linux, Apple).
BCD files are the core boot files for the Windows operating system, and repair operations can directly cause your existing system to crash. Therefore, we recommend that you consult a professional technician to solve. If you want to solve it yourself, you can try the following scheme notes: The following operations are very risky, please be cautious, there is a chance that your system will not start.
1, through the 360 ​​software housekeeper, install EasyBCD & mdash; & mdash; system boot reset tool

2, run the software, select: BCD backup /repair & mdash; & mdash; Select: re-create /repair the boot file —— Execute Actions

Note: The following operations are very risky. Please execute them carefully. There is a chance that your system will fail to start.