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I have windows 8 64 bit

I run Autoruns (latest version) and it states 3 dll's which are not found :

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Question

Is it safe to delete those entries with Autoruns ?

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Why do you want to delete required system files? wow64.dll allows you to run 32-bit software. –  Ramhound Oct 1 '13 at 11:31
    
@Ramhound I dont want. autoruns want. it says they are not there –  Royi Namir Oct 1 '13 at 11:33
    
You asked if its safe to delete those files, its not safe, the registry key might be pointing to the wrong location but thats another question. –  Ramhound Oct 1 '13 at 11:38
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2 Answers

up vote 1 down vote accepted

That's a windows Black Magic (TM): http://answers.microsoft.com/en-us/windows/forum/windows_8-performance/wow64dll-wow64cpudll-wow64windll-files-not-found/837ba758-ad0a-4bc3-b227-62046f7e198d?msgId=762f85e0-f11f-481b-a0e8-b92971acf422

Don't be concerned if autoruns reports these files as not found. Just ignore it. These three files are critical to (and invisible to) 32-bit processes running on a 64-bit processor.

For a little fun you can see this by launching both the native and x86 versions of Windows PowerShell, type the following in both. Somewhat surprisingly you'll get different results:

cd $env:windir\system32
dir wow*
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holly shi* , in powershell i do see those files. while in pure cmd - i don't. why is that ? –  Royi Namir Oct 2 '13 at 6:13
    
Because they are not there. The systems transparently 'shows' this files in desired location depending whether the app is 32-bit or 64-bit. –  kworr Oct 2 '13 at 8:08
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It is not safe to delete those dll files. Those listed files supports 32 bit applications running in 64 bit machine.Instead of deleting dll files try to register dll by typing
regsvr32 /s wow64win.dll in command propmt with administrator privillege

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the files are not in file system ! –  Royi Namir Oct 1 '13 at 12:52
    
Run a file system scan by typing SFC /SCANNOW in command propmt. also do a check for those dll in system32 folder by going to system 32 folder from a command line and then type dir wow* –  Renju Chandran chingath Oct 1 '13 at 13:16
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