Fix the problem of Show hidden files and folders getting reset

This is a common problem these days that the option of “Show hidden files and folders” always gets reset each time when we set it to show the hidden files. This is sure a case of infected system either with Trojan or virus.

Possibly the system is infected by a virus named “amvo.exe”. So let’s remove this first to be on a safer side.

Steps to remove amvo.exe:

1.    We need to delete following files
•    amvo.exe
•    amvo0.dll
•    amvo1.dll

2.    Open command prompt by typing cmd in the Run box. Then type
•    cd windows\system32
•    attrib -s -h -r amvo*.*
•    del amvo*.*

Steps to fix the problem:

1.    Now open registry editor and navigate to the entry HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folders\Hidden\SHOWALL

2.    On the right side see the entry named “CheckedValue”, if the value is set to ‘0’ change it to ‘1’.

3.    The “DefaultValue” under the “CheckedValue” should be set to ‘2’.

4.    Click Refresh under the view tab and if the entries the same that we set just now that means the problem is solved.

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Posted in Cool Tips and Tricks, Fixes of problems, Virus, Windows/Windows XP
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30 comments on “Fix the problem of Show hidden files and folders getting reset
  1. Chris says:

    wow!! the trick worked all fine for me. Thanks a lot!!

  2. Gautam says:

    The value has changed back to 0 on refresh & there is no amvo virus files found on my system.There is one more problem each time i double on a drive to open it, it will open in a new window, im sure this is worm which has got into my pc…but KIS 7.0 is unable to detect it. How fix to fix this ?

  3. admin says:

    There may be the virus (usually hidden), scan the system with a good and updated AV. Of course the best way to remove is Format.

  4. Cyriac Joseph Maliyil says:

    Thanks a lot for the great help.

    It worked on all my 3 pcs.

  5. shonenjem-phils says:

    wow! its great

  6. Geek says:

    Thanks for the solution, it helped a lot. Keep up the good work

  7. String says:

    ei sir, good evening!

    right now im encountering a problem similar to this.
    the problem is that theres no amvo.* file to delete.

    i scanned with my AV and found a worm/autorun.eq located in a hidden folder.

    any other alternatives please, thanks.

  8. admin says:

    just delete the autorun file in place of amvo and follow the steps after it.

  9. rey says:

    attrib -r -a -s -h drive:\*.* /s /d

  10. darwesh says:

    thanks you so much

  11. Mohammad says:


  12. somashekhar says:

    thanks for kind information

  13. duummar says:

    I tried to remove but didn’t get it but the fixing part worked really well thank you very much.

  14. anas mansour says:

    thanx alot…
    i have this problem for about 3 years!!!
    and i thought its irreversible, its like a curse or something..
    thx alot

  15. sam says:

    i had the same problem as “Gautam” in the first msg..

    the value gets back to “0” on refresh.. and there no amvo files on the system..

    i formatted and re-installed the windowsXP and it is still persisting!

  16. oneme says:

    please help can i reset all my hidden folders that it can be shown. my usb is affected with a virus that it hides all my folders

  17. ac says:

    your genius men

  18. vaibhav kapoor says:

    mast kam kar raha hai bhai…

  19. Abhi says:

    I had this problem lately. But registry change worked for me…


  20. BIgsi says:

    Have this same issue, have checked the registry and all appears in order have scanned with just about every scanner I can find too no avail. Any other suggestions before I format this darn machine?


  21. ayman says:

    is not working in my cmd… what im suppose to do now? please reply

  22. schattopadhyay says:

    Not working in mine either! Need help folks!

  23. David says:

    thanks sooo much for showing how to remove a totally bugging me problem….no sign of the amvo thingy but the reg fixes did the trick.
    also showed me a thing or two in there i wanted to know….
    information is power!

  24. jlox says:

    it works! tnx man!

  25. h4x0rd says:

    Just run this
    Contains the default values of most registry entries required to show hidden files
    In case this doesn’t work, you need to recognize the running virus processes which are continuously scanning and changing the keys
    An easy method is to make this into a batch file so that it can be carried around and run when needed

    reg add hklm\software\microsoft\windows NT\currentVersion\WinLogon /v Userinit /t reg_sz /d “c:\windows\system32\userinit.exe” /f

    reg add hklm\software\microsoft\windows\currentversion\explorer\advanced\folder\hidden\nohidden /v CheckedValue /t reg_dword /d 2 /f

    reg add hklm\software\microsoft\windows\currentversion\explorer\advanced\folder\hidden\showall /v CheckedValue /t reg_dword /d 1 /f

    reg add hklm\software\microsoft\windows\currentversion\explorer\advanced\folder\SuperHidden /v CheckedValue /t reg_dword /d 0 /f

    reg add hklm\software\microsoft\windows\currentversion\policies\explorer /v NoFolderOptions /t reg_dword /d 0 /f

    reg add hkcu\software\microsoft\windows\currentversion\policies\explorer /v NoFolderOptions /t reg_dword /d 0 /f

    reg add hkcu\software\microsoft\windows\currentversion\policies\system /v DisableRegistryTools /t reg_dword /d 0 /f

    reg add hkcu\software\microsoft\windows\currentversion\policies\system /v DisableCmd /t reg_dword /d 0 /f

    reg add hkcu\software\microsoft\windows\currentversion\policies\system /v DisableTaskMgr /t reg_dword /d 0 /f

  26. Mic says:

    Your a gin

  27. Meg says:

    No amvo files found.

    I don’t even know how to open registry editor. HELP.

  28. Stan says:

    Thanks FOr the solution . It works.

  29. Charles says:


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