u2ai.dll is a process that belongs to the u2ai.dll Module program. It is not known if this file is a threat or not. This may be a legitimate DLL file or it could be spyware, a virus or a Trojan. The best way to discover exactly what it is is to find out from which directory it originates.
If the problem lies in your registry then it can usually be fixed fairly easily. The only way to know for sure, however, is to have your computer scan to see if there is a need for further remedy.
ZookaWare PC Cleaner offers a free scan to anyone who is interested in finding out why they are having functioning and file problems on their computer. ZookaWare PC Cleaner is so sure you will be happy with their product, they offer a money back guarantee if you are not completely satisfied. Most errors are usually fixed with the first scan.