Intel Processor Diagnostic Tool : Cpu Frequency Fail

So i thought that my pc was underperforming and a friend suggested running the intel processor diagnostic tool , so here are the results : http://imgur.com/0LWfRYl



and here is the testing status :
--- IPDT64 - Revision: 3.0.0.23.W.MP
--- IPDT64 - Start Time: 28/1/2016 10:25:27 ??

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Processor 1
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Intel(R) spbc Module Test
Module Version: 1.0.7.64b.W
Start Time: Thu Jan 28 22:25:27 2016
Test Result - PASS
..!!..Processor under test is verified as 'PRODUCTION'..!!..

Processor Manufacturer: GenuineIntel
Processor Brand String: Intel(R) Core(TM) i5-6600K CPU @ 3.50GHz

End Time: Thu Jan 28 22:25:27 2016
Total Time: seconds: 0
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Genuine Intel CPU Test
Module Version: 1.0.12.64b.W
Start Time: Thu Jan 28 22:25:27 2016
Test Result - PASS
Expected: GenuineIntel
Detected: GenuineIntel
End Time: Thu Jan 28 22:25:27 2016
Total Time: seconds: 0
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Temperature Test
Module Version: 1.0.12.64b.W
Start Time: Thu Jan 28 22:25:27 2016
Test Result - PASS
Expected: Greater than 1 degrees below max
Received: 68 degrees below max
End Time: Thu Jan 28 22:25:27 2016
Total Time: seconds: 0
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CPU Brand String Test
Module Version: 1.0.12.64b.W
Start Time: Thu Jan 28 22:25:27 2016
Test Result - PASS
Expected String Parts: As Defined in BrandString_LocalConfig.xml
Detected: Intel(R) Core(TM) i5-6600K CPU @ 3.50GHz
End Time: Thu Jan 28 22:25:28 2016
Total Time: seconds: 1
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Module - CPUFreq.exe did not create a results file.
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--- IPDT64 - Temperature Monitor Results
Temperature Monitor will begin when CPULoad Test starts
Temperature Monitor Stopped

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System Information
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Processor Name: Intel(R) Core(TM) i5-6600K CPU @ 3.50GHz
Processor Information: Intel64 Family 6 Model 94 Stepping 3
Number of Physical Cores: 4
Number of Logical Cores: 4
Installed System Memory: 16 GB
Operating System: Microsoft Windows 10 Pro 64-bit
Graphics Information: NVIDIA GeForce GTX 980
System Product: Z170X-GAMING 7
System BIOS: F6
System Serial Number: To be filled by O.E.M.
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--- IPDT64 - End Time: 28/1/2016 10:25:28 ??
--- IPDT64 - Result: Fail
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FAIL

is there something wrong what should i do?