How to fix error ... wlanapi.dll

Posted on 2008-11-13
Last Modified: 2012-05-05
Error says:
The procedure entry point aps search interface could not be located in the dynamic link library wlanapi.dll.
I have windows XP.
Question by:precious1mil
    LVL 28

    Expert Comment

    This is usually caused by Windows XP Servicepack 3.
    Before you uninstall it, try to get the latest driver for your WLAN card/stick and see if it fixes the problem.
    LVL 27

    Accepted Solution

    One option is to use System Restore to a time prior to installing SP3.    Then create a restore point before reattempting SP3 install >

    Start>All Programs>Accessories>System Tools>System Restore.
    LVL 27

    Expert Comment

    Error:   The procedure entry point aps search interface could not be located in the dynamic link library wlanapi.dll.

    For a possible repair, scroll down to the comments by dimitri_0005 >>
    Conceivably you'll need to look at updating your router firmware (if you're running a router).

    Author Comment

    Hi all,
    I fixed my PC and here's how I did it:

    I tried system restore to Nov. 1 and that didn't work. I then tried system restore Oct. 18 and that didn't work either. I then uninstalled SP3 and rebooted PC. All kinds of updates started to download and my PC froze. I had to hard PC and uninstall SP3 again! I then rebooted and updates started again and SP3 downloaded right and the error message is gone!

    Thanks, Kathy
    LVL 27

    Expert Comment

    Excellent, thanks for the feedback!  Presume the computer is now normal in all other respects?

    Author Closing Comment

    Thanks that was the easiest way to fix the problem.
    LVL 27

    Expert Comment

    Thank you.

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