rkrijgsheld

Hi, I played around with your sample, rewrote it a little and it works. The only obvious thing which might cause a problem is that the Class.forName() fails to find the requested class and throws an exception. In this case the updateProgress() is not called. This is probably not what …

hi, print the stacktrace that occurs at the "NO I/O" line. That might give more info.

how about someting along the following sample. I had not time to test, but the idea is to create one Sync instance in the main thread and let the other theads call the WaitFor method. [code] using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace util { class Sync { …