Wow...try password recovery then...
console in, and send a break while the image is decompressing (turn the router off, then back on, and initiate a break within 20 seconds or so). You should now be at
rommon1>
so...
rommon1>confreg 2142
rommon2>reset
Then the router boots up. After it does, answer no to configuration blablabla, and yes to terminate autoinstall (if asked). Then
router>en
router#sh start
Post the result, or to completely reset everything and start over...
router#conf t
router(config)#config-register 0x2102
router(config)#exit
router#erase start
router#reload
Then the router reloads with no configuration and no password. Then just enter all the commands from the other link WITHOUT the VPN module in.
Burt