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I upgraded my OS from win7 to win10, found that the explorer.exe will use to much memory when keeping the OS running for days, like this: enter image description here

I've read this q&a: Explorer.exe uses up all my RAM, and I don't think my explorer.exe are fake processes due to malwares or viruses.

I've checked the dlls attached to explorer.exe using process explorer and the result is pasted here: http://codepad.org/xZ3LGHFe, but sorry I don't know how to check which dll is truly memory consuming (maybe the "mapped size" in the property page?)

So anyone could help me find out how to solve the problem (other than simply close the processes or even restart)?

EDIT

Following the advices of @magicandre1981, I've captured and uploaded the ETL files(with PDBs): https://drive.google.com/file/d/0B4vahSr3aGadU1pHY0h6TDBnV3M/view?usp=sharing （ETL rar） https://drive.google.com/file/d/0B4vahSr3aGadelpXSko5WGx3LW8/view?usp=sharing (PDBs rar) hope this info could help someone with debugging.

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zhangxaochen
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  • Look at the details tab (second from right in my English view) instead of processes (流程). Nothing in your image seems exceptionally high; perhaps you have very low RAM to start with. – Jedi Jul 10 '16 at 14:28
  • Install the WPT (part of the Win10 SDK: dev.windows.com/en-us/downloads/windows-10-sdk which als runs since Win7), run WPRUI.exe, select First Level, CPU usage, VirtualAlloc usage, Resident Analysis and click start Now capture 1-2 minutes of the memory usage of Explorer and click on Save to store the report into an ETL file. Zip the large ETL file into zip/RAR file, upload the zip (OneDrive, dropbox, google drive) and post the share link here. I'll analyze it to see what Explorer is doing – magicandre1981 Jul 10 '16 at 17:50
  • have you captured the trace of the memory usage grow? Otherwise I can't help you. – magicandre1981 Jul 12 '16 at 04:51
  • @magicandre1981, thx for your advice, I'd like to follow it, yet now after I end those processes, this issue cannot be replicated in short time... may I post you the analyzation files when I can replicate the issue (it may need the OS run a few more days)? – zhangxaochen Jul 12 '16 at 07:35
  • ok, post the files if you have the issue again. – magicandre1981 Jul 12 '16 at 15:23
  • @magicandre1981, hi I've uploaded the ETL file here: https://drive.google.com/file/d/0B4vahSr3aGadM1BYN0x6R0RGUWM/view?usp=sharing , and the NGENPDB folder: https://drive.google.com/file/d/0B4vahSr3aGadelpXSko5WGx3LW8/view?usp=sharing, do you have time to help me check it? (only 1day left for win10 free update o(╯□╰)o) – zhangxaochen Jul 28 '16 at 08:32
  • @magicandre1981, sorry the above link of ETL is uncompressed(900MB), here's the zipped version: https://drive.google.com/file/d/0B4vahSr3aGadU1pHY0h6TDBnV3M/view?usp=sharing – zhangxaochen Jul 28 '16 at 08:38
  • in the trace the memory usage of the Explorer is only 80MB. I can see that you still run an old Win10 version (10586.122), update to 10586.494 with KB3172985 and look if you still see it again. – magicandre1981 Jul 28 '16 at 15:37
  • were you able to repro the high usage and capture it? Last time the usage was low – magicandre1981 Aug 01 '16 at 16:19
  • @magicandre1981, I was recently frequently rebooting my os due to upgrading, I'll paste again once the issue comes up ;) – zhangxaochen Aug 02 '16 at 07:21
  • besides, win10 is slow if I upgrade it from win7 directly. I upgraded my win7 at home and suffered, and then cured myself by **reset** the os, it's now fast~ – zhangxaochen Aug 02 '16 at 07:23

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