The ydbypc.dll file is a PC protection module of Yahoo. Online Protection from Yahoo! Inc.¬† Yahoo! Online Protection is a package of security programs provided free of charge to customers of an Internet service provider.¬† The YOP suite is a group of security software that has been repackaged and linked to a control panel by Yahoo!¬† The versions of software may be different depending on what ISP you are subscribed through.¬† If there is an error with this file, your computer may be vulnerable to Internet attacks.¬† Clean your Windows registry to solve the problems.
The registry database works as an information booth for Windows.¬† It stores information about all the programs installed on your system so Windows is able to run them.¬† If you have a registry error that stops your programs, run SpeedZooka to fix it.¬† SpeedZooka cleans up every problem in your registry to get your system working at 100% again.¬† Try a free SpeedZooka scan to find out how dirty your registry is.