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  1. #1
    markOS X

    Default error when adding/removing windows components in winXP

    After reading Susan B's FAQ #46, I attempted to remove messenger from my system.

    Trouble is, i didn't backup C:\WINDOWS\inf\sysoc.inf before i removed the ",hide" from every line in the file, and when i went to run the add/remove windows applet from the add/remove programs control panel, it crashed with this error:

    <pre>Setup was unable to open the information file 4</pre>

    <pre>Contact your system administrator. The specific error code is 0x2 at line 2011806598.</pre>

    This is the first time I have tried to access the add/remove windows applet, so I am not sure if this error was caused by editing the file C:\WINDOWS\inf\sysoc.inf or something else. I can post the contents of this file if anyone would like.

    I have only just installed winXP pro over sunday/monday after a reformat so i don't think it is a problem from other apps, although i could be wrong here.

    Any help here would be appreciated - i don't usually use this particular feature of windows but it seems a bit odd after a clean install.

    Any help appreciated.

    markOS X.

  2. #2
    Babe Ruth

    Default Re: error when adding/removing windows components in winXP

    markOS X,

    The FAQ you used was originally a comment I made. It has 2 typos in it. Here is what it is supposed to be: (Note the changes to HIDE and not removing the comma!!)

    I will also post at the end of this a copy of my SYSOC.INF file but note yours would have (may have been) different but it should help you to fix the problem.

    I will also get Susan B to modify the FAQ to correct this issue.

    Regards, Babe.

    ************************************************** ********
    Windows Messenger comes as part of WinXP but if you do not use this feature and wish to completely remove it from WinXp Home/Pro then do the following:

    Note: The inf directory is a 'special' system directory; make sure you have enabled your explorer folder view options appropriately.

    Open the file %SystemRoot%\inf\sysoc.inf

    Where %SystemRoot% will point to something like C:\Windows or C:\Winnt or the wherver WinXP was installed / upgraded
    The actual harddrive is pointed to by %SystemDrive%

    The %SystemRoot% & %SystemDrive% system variables can be seen by going to a CMD prompt and typing SET | MORE

    e.g. Open C:\WINDOWS\inf\sysoc.inf in NOTEPAD and change the line:

    msmsgs=msgro cm.dll,OcEntry,msmsgs.inf,,7

    Save and Exit from Notepad.

    You can then go into Control Panel | Add or Remove Programs and then use Add/Remove Windows Components to remove Messenger.

    BTW If you are the more adventuous type then remove the word "HIDE" from each (all) of the lines in SYSOC.INF.

    Now have a look in Add/Remove Windows Components section.

    ************************************************** ********

    Contents of SYSOC.INF:

    Signature = "$Windows NT$"

    IndexSrv_System = setupqry.dll,IndexSrv,setupqry.inf,,7
    TerminalServer=TsOc.dll, HydraOc, TsOc.inf,hide,2
    fp_extensions=fp40ext.dll,FrontPage4Extensions,fp4 0ext.inf,,7




    WindowTitle="Windows Professional Setup"
    WindowTitle_Standalone="Windows Components Wizard"

  3. #3
    markOS X

    Default Re: error when adding/removing windows components in winXP

    thanks for that.

    changed my sysoc.inf hide options to the same as in your post - completely fixed the prob.

    cheers for the prompt reply,
    markOS X

  4. #4
    Babe Ruth

    Default Re: error when adding/removing windows components in winXP

    markos x,

    What can I say - I humbly apologise for any grief it caused.

    Cheers, Babe.

  5. #5
    markOS X

    Default Re: error when adding/removing windows components in winXP

    on a side note,

    try this trick from

    A lot of people want to know how to remove the
    MSN Messenger service from XP here's how:
    Locate SYSOC.INF in the \Windows\INF folder (hidden file and folder), Open it in Notepad and locate the line: msmsgs=msgrocm.dll,OcEntry,msmsgs.inf,hide,7 Remove the word "hide" from the line and save the file. You will now have an entry in add/remove programs. Do what you will

    Start, Run and enter GPEDIT.MSC
    Computer Configuration > Administrative Templates
    > Windows Components > Windows Messenger
    You can now modify whether it starts initially
    and/or whether it's to run at all.

    it may do the same thing (i haven't tried it, so i can't endorse it).

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