The file c1xstdeu.dll is a component of the C8021XSettings Dynamic Link Library from Intel Corporation. This file is part of the Intel PROSet/Wireless Software. This software works with Intel PRO/Wireless Network Connection hardware to connect your computer to a wireless network.
An error with the c1xstdeu dynamic link library file may interfere with your wireless connection or your ability to control the settings of your connection. When you get an error with a dll file you should consider cleaning your registry. The registry is a database that tracks all the files installed on your computer and tells Windows how to use those files.
Cleaning your registry is a matter of checking that database for errors and fixing them. ZookaWare PC Cleaner will do that job for you, going through all the thousands of entries in the database and fixing any problems. ZookaWare PC Cleaner is guaranteed to repair every error, so you should try a scan today.