errors showing in CMD! Programming Software Development by mumaga ….swing.LayoutComparator.compare(LayoutComparator.java:42) at java.util.TimSort.binarySort(TimSort.java:265) at java.util.TimSort.sort(TimSort.java….swing.LayoutComparator.compare(LayoutComparator.java:42) at java.util.TimSort.binarySort(TimSort.java:265) at java.util.TimSort.sort(TimSort.java… Re: errors showing in CMD! Programming Software Development by mumaga the suggested thread was helpful in getting me to the right track! thanks people!