Qube 5.2 supports Perl 5.6 and 5.8, but does not have support for Perl 5.10 at this time. If you have Perl 5.10 installed, you will likely come across an error in the Stderr Panel for a job:
ERROR: unsupported perl version 5.010000
To get around this issue, install either Perl 5.6 or Perl 5.8.