The ycomp5_1_6_0.dll file is part of Yahoo! Companion 5.1 for Internet Explorer created by Yahoo! Inc. Yahoo! Companion is a toolbar that works with your internet browser to personalize your Yahoo! experience. The toolbar contains an anti-spyware tool and tracks your web usage.
Because the data it tracks is not linked to your computer or name and is not used to target advertising, the toolbar is not considered spyware by most industry experts. An error with this dynamic link library file may result in the toolbar not working as expected. You may need to clean your registry to repair this issue.
When you run a program on your computer, Windows goes to the registry to find the files it needs. If there is a mistake in the registry, Windows will get confused and your program won’t work. ZookaWare PC Cleaner to the rescue! ZookaWare PC Cleaner finds and fixes every mistake in your registry to get your system up and running at full strength again. Try a free ZookaWare PC Cleaner scan to find out whether or not your registry needs to be cleaned.