it didn't work for me :(
this was in "SrtTrail.txt":
Startup Repair diagnosis and repair log
Number of repair attempts: 1
Session details
System Disk = \Device\Harddisk0
Windows directory = C:\Windows
AutoChk Run = 0
Number of root causes = 1
Test Performed:
Name: Check for updates
Result: Completed successfully. Error code = 0x0
Time taken = 0 ms
Test Performed:
Name: System disk test
Result: Completed successfully. Error code = 0x0
Time taken = 0 ms
Test Performed:
Name: Disk failure diagnosis
Result: Completed successfully. Error code = 0x0
Time taken = 63 ms
Test Performed:
Name: Disk metadata test
Result: Completed successfully. Error code = 0x0
Time taken = 47 ms
Test Performed:
Name: Target OS test
Result: Completed successfully. Error code = 0x0
Time taken = 78 ms
Test Performed:
Name: Volume content check
Result: Completed successfully. Error code = 0x0
Time taken = 187 ms
Test Performed:
Name: Boot manager diagnosis
Result: Completed successfully. Error code = 0x0
Time taken = 0 ms
Test Performed:
Name: System boot log diagnosis
Result: Completed successfully. Error code = 0x0
Time taken = 0 ms
Root cause found:
Boot manager failed to find OS loader.
Repair action: File repair
Result: Failed. Error code = 0x4001
Time taken = 906 ms
Repair action: Boot configuration data store repair
Result: Failed. Error code = 0x2
Time taken = 0 ms