Are you still getting the flash update popup ?
If so then go ahead and reset the router to factory
For Chrome defaults
- 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\
- 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.
- Exit Chrome (wrench > Exit), and restart Chrome.