How to repair corrupt files?

I have just run a system file check on sfc /scannow

Which has come up with a lot of corrupt files that it cannot repair, how do I go about doing this, in easy steps please.

Tech Support Guy System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 8.1, 64 bit
Processor: Intel(R) Core(TM) i5-4460 CPU @ 3.20GHz, Intel64 Family 6 Model 60 Stepping 3
Processor Count: 4
RAM: 8001 Mb
Graphics Card: Intel(R) HD Graphics 4600, -1920 Mb
Hard Drives: C: Total - 469041 MB, Free - 399200 MB; D: Total - 469041 MB, Free - 468868 MB; F: Total - 114470 MB, Free - 93358 MB;
Motherboard: Packard Bell, iMedia S2885
Antivirus: Windows Defender, Disabled

Attached Files

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sfcdetails.txt (174.0 KB)