A new reference file (0R119 17.02.2003 ) is out for AdAware 6. After updating, Ad-aware will show the following details for the referencefile:

Reference Number : 0R119 17.02.2003 Internal build : 89 Total size : 182071 Bytes Signature data size : 177680 Bytes Reference data size : 4327 Bytes Signatures total : 4449 Target categories : 8 Target families : 91

Please either use Webupdate to install this update, or download + install manually from here.