Froschphoto,
You will likely need to find your folder that the uploader worked from last, and then copy the new build into that directory. The issue is with the path, so if you find the original location that it worked from on your last update, and copy the new build there - it should work. However, do note that we plan to release a new build very, very soon which automatically corrects this problem without needing to perform any workarounds.