Hi Steve, with r440 you have changed NumberReader. I think you removed a check by accident, as the comment still relates to the old code. Please check the following patch, without it NetCheck often crashes. Gerd Index: NumberReader.java =================================================================== --- NumberReader.java (revision 444) +++ NumberReader.java (working copy) @@ -100,7 +100,7 @@ // To do this properly we need to know the number of nodes I think, this is the // best we can do: if there are more than 8 bits left, there must be another command // left. We could leave a short command at the end. - while (br.getBitPosition() < br.getNumberOfBits() && numbers.size() < numberOfNodes) + while (br.getBitPosition() < br.getNumberOfBits() - 8 && numbers.size() < numberOfNodes){ runCommand(numbers); return numbers; -- View this message in context: http://gis.19327.n5.nabble.com/display-tool-NetCheck-tp5830539.html Sent from the Mkgmap Development mailing list archive at Nabble.com.