The w29ncpa.dll file is a part of the Network Control Panel Applet (NCPA) and Co-installer for the Intel PRO/Wireless 2915ABG Network Connection from Intel Corporation. Many laptops from major manufacturers use the Intel PRO/Wireless 2915ABG Network Connection wireless card to provide internet access.
This file is a component of a utility provided to give users more control over the wireless card. Errors with the w29ncpa dynamic link library file may disable the control utility, but should not have an effect on the the internet connection provided by the card.
Reinstalling your wireless card software (if you have access to it) may solve this problem. Because the error is with a dll file, you should also try cleaning your computer’s registry. The registry is a database that tells Windows where to find files to run its programs. Cleaning the registry should be done regularly whether you get errors or not, but a dll error is often a sign of a problem in the registry.
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