error code: 0xc0000225 means Windows cannot find the System Files used for booting. If your system files are corrupted, the disk file system has a bad configuration, or if you have faulty hardware, the 0xc0000225 error would occur.
To fix this, you can :
Method 1: Run automatic repair
Method 2: Run a disk check and system file check
Method 3: Rebuild BCDMethod
4: Mark partition as active
Method 5: Check hardware failure