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Install the Windows Performance Toolkit (http://social.technet.microsoft.com/wiki/contents/articles/4847.install-the-windows-performance-toolkit-wpt.aspx), open the command prompt with admin rights (http://superuser.com/a/497256/174557).
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Copy this into a new txt file and rename it to CMD and run it from the cmd:
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xperf -on latency+FILENAME+FILE_IO+FILE_IO_INIT -stackwalk profile+FileCreate+FileCleanup+FileClose+FileRead+FileWrite+FileSetInformation+FileDelete+FileRename -buffersize 1024 -MaxFile 1024 -FileMode Circular -f kernel.etl
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xperf -on latency+FILENAME+FILE_IO+FILE_IO_INIT -stackwalk profile+FileCreate+FileCleanup+FileClose+FileRead+FileWrite+FileSetInformation+FileDelete+FileRename -buffersize 2048 -MaxFile 1024 -FileMode Circular -f kernel.etl
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xperf -start UserLogger -on Microsoft-Windows-Immersive-Shell:0xffffffffffffffff:0xff:'stack'+Microsoft-Windows-WindowsUIImmersive:0xffffffffffffffff:0xff:'stack'+Microsoft-Windows-Search-Core:0xffffffffffffffff:0xff:'stack'+Microsoft-Windows-Search:0xffffffffffffffff:0xff:'stack'+Microsoft-Windows-UI-Search:0xffffffffffffffff:0xff:'stack'  -BufferSize 1024 -f USER.etl
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xperf -start UserLogger -on Microsoft-Windows-Immersive-Shell:0xffffffffffffffff:0xff:'stack'+Microsoft-Windows-WindowsUIImmersive:0xffffffffffffffff:0xff:'stack'+Microsoft-Windows-Search-Core:0xffffffffffffffff:0xff:'stack'+Microsoft-Windows-Search:0xffffffffffffffff:0xff:'stack'+Microsoft-Windows-UI-Search:0xffffffffffffffff:0xff:'stack'  -BufferSize 2048 -f USER.etl
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echo At this point, the test pass should be performed.
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pause
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Xperf -stop
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Xperf -stop USERLogger
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Xperf -merge USER.etl kernel.etl Result.etl
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del USER.etl
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del kernel.etl
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    Now capture 1-2 minutes of the Explorer slowness.
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    Now start the Explorer from a hotkey and when Explorer is running press a key to stop tracing. Rename the Result.etl to Result_Explorer_Start_Hotkey.etl
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    zip the Result ETL files as 7z/RAR (to reduce the size), upload it (Onedrive, dropbox, Google Drive) and paste a link here.