u25samp1.dll is a file that belongs to Crystal Decision, Inc. the makers of the Crystal Reports application. If you have had your computer unexpectedly shut down and this file comes up as an error then you have a glitch in your registry.
Registry problems can occur when you add or remove programs on your computer. Many people do this to save space, which is a good thing. But what they do not realize is that one program may have files that are used by several other different programs.
In order to fix this error you can try a free scan from ZookaWare PC Cleaner. ZookaWare PC Cleaner is a registry cleaner and comes from the makers of Spyzooka – a very popular anti-spyware program.
ZookaWare, the makers of both programs saw a need to be filled in registry repair, and came up with ZookaWare PC Cleaner. ZookaWare PC Cleaner can usually clear up errors with the very first scan.