The file p2pclient.dll may belong to Sogou PXP from Sohu.com Inc. Sogou PXP is an adware toolbar that sometimes is installed on your computer via a Trojan. While versions of the software claim to offer pop-up blocking and other benefits, most security experts recommend removing this from your system.
Run a free scan with SpyZooka to find out if your system has been infected with this malicious software. You should also run a free ZookaWare PC Cleaner scan to clean up your registry at the same time.
ZookaWare PC Cleaner checks your registry for errors and repairs them, helping your system to run smoothly. When you run software on Windows, the registry tells your computer where the files needed to run that software are stored. A clean registry will prevent errors and speed up your system. Regularly clean your registry and run anti-spyware scans with ZookaWare PC Cleaner and SpyZooka to keep your computer in good health.