How to fix error ... wlanapi.dll

Posted on 2008-11-13
Medium Priority
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
  • 4
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LVL 29

Expert Comment

by:Michael Pfister
ID: 22948866
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

Jonvee earned 500 total points
ID: 22949410
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

ID: 22949541
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).
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Author Comment

ID: 22970750
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

ID: 22970761
Excellent, thanks for the feedback!  Presume the computer is now normal in all other respects?

Author Closing Comment

ID: 31516325
Thanks that was the easiest way to fix the problem.
LVL 27

Expert Comment

ID: 22970778
Thank you.

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