Are you still getting the flash update popup ?

If so then go ahead and reset the router to factory

For Chrome defaults

  1. Create a backup copy of your browser user profile. Go to the Windows Start button > Run > enter the following:

◦Windows XP: %USERPROFILE%\Local Settings\Application Data\Google\Chrome\User Data\

◦Windows Vista/ Windows 7: %LOCALAPPDATA%\Google\Chrome\User Data\

  1. After you have created a backup copy of the User Data folder, you can remove the Web Data and Web Data-journal files from the User Data folder in step 1 above.
  2. Exit Chrome (wrench > Exit), and restart Chrome.