The file ycommon.dll is part of Yahoo! Messenger from Yahoo!, Inc. Yahoo! Messenger is an online chat program that allows you to communicate in real time with your friends and family across the internet. This program also includes connections to other Yahoo! services, including e-mail.
If you get an error with the ycommon dynamic link library file, you may not be able to use Yahoo! Messenger or other related services through Yahoo! Messenger. If you want to fix the error, you should clean your registry.
The Windows registry contains information about every program installed on your computer. When the entries in the registry get outdated, or files belonging to a program are moved, the registry can generate dll errors. Fixing dll errors usually involves fixing the entries in the registry, a task that should only be performed manually by Windows experts.
For everyone else, use a registry cleaner like ZookaWare PC Cleaner. ZookaWare PC Cleaner finds and fixes the registry errors for you and is guaranteed to find 100% of the problems in your registry. Try a free ZookaWare PC Cleaner scan today to see what ZookaWare PC Cleaner can do for your computer.