Eskimo North

Java 6.x for Windows contains an obnoxious program named 'jqs.exe' that is automatically launched at startup. The function of this program is to continuously re-read all the Java files to keep them in cache so that Java responds quickly.

This is abhorrent behavior and the fact that Sun resorted to something so slimy really turns my stomach. By doing this it is displacing from cache more frequently accessed files that SHOULD be in cache thereby defeating the whole purpose of cache in order to make Java look better. In short, while this helps it's performance, it hurts the performance of every other application you run on your computer in addition to generating a lot of unnecessary I/O.

My suggestion would be to use the Windows search to find it and then remove it. This is in fact what I did on my machine, and Java works just fine without it.