If you seeing an error with the baidubar.dll file, then it means that you have the BaiduBar adware toolbar from Baidu.com, Inc installed on your computer.
baidubar.dll could be a Trojan
If baidubar.dll is legit, you can fix it with a registry cleaner
If you want this toolbar, you may need to clean your registry to make it work correctly.
The registry is the method Windows uses to keep track of everything you’ve installed on your computer. When there is a mistake in the registry, errors pop-up. ZookaWare PC Cleaner will clean up those mistakes to get rid of your errors. ZookaWare PC Cleaner hunts down and fixes every problem in your registry so your software can run smoothly again. Try a free ZookaWare PC Cleaner scan now to see if your registry has mistakes that need some cleaning.