Dragon Profile is corrupt or Dragon Profile is giving error 166.
When you try to open dragon software and it gives you error 166 and says profile is corrupt then follow these steps.
Step 1: Close Dragon Bar and Restart the computer. Check if issue still persisting?
Step 2: Go to Dragon Bar click Profile > Manage Profile > Select your Profile and click Advance Tab > click Restore
New pop up will open and give you various date to restore the profile. Select last date when Dragon backed the profile.
Click restore and exit the dragon.
Now open the Dragon again, it should work, if not
Step 3: It looks like your Dragon Profile is corrupt you need to Create new profile.