consider this, taxes are submitted by a tax contractor to the irs ( you cant at this time submitt directly to the IRS) If done via a web generator, chances are theres a cookie placed, and perhaps java, vbs activex and a few other nasties that wouldnt be detected by a standard scan, clear history, clear temp, clear cookies,(they help to create state) and use teh file compare feature in windoz. If all else fails, back up all docs, turn off macros, and wipe disk-re-install clean.