I need to register it but it will not let me because it keeps timing out or says error.

hi John.
i think you will have to do a hard reset to sort this out.
Just tap the Power button to select Reboot System Now.

1. Make sure tablet is powered off.
2. Hold down Volume + button and Power button at same time.
3. When screen comes on let go of Power button.
4. When the large Android shows on screen let go of Volume + button.
5. Use Volume - button to scroll to Wipe Data/ Factory Reset.

More items...

What do I do if I forgot my password to unlock to my tablet? - Trio ...

https://support.triotablets.com/.../201746559-What-do-I-do-if-I-forgot-my-password-to-...

How do I unlock my tablet if I forgot the password?Manual Factory ResetTurn off your Android device. ...Press and hold the "power", "volume down", and "camera" buttons simultaneously. ...Release the buttons once your Android device is powered on. ...Scroll using your "Volume up and down" button until you find the "wipe data/factory reset" option.More items...Recover Android Device in case of Forgot password/pattern unlock an ...visihow.com/Recover...in...Forgot_password/pattern_unlock_an_Android_deviceSearch for: How do I unlock my tablet if I forgot the password?

or before you do anything go to this link and have some more off a read up.
cannot remember my password to get into my tablet Google Search

factory reset and start again.

The easiest way to work around a lost password is to do a factory reset. Some tablets will let you change a forgotten password with an email link, but it doesn't always work. Just remember when you reset your tablet to factory, you will have to redownload any apps you installed yourself. It's just like out of the box again. Set up your new password and accounts after you reset.

Note: Your Kindle Fire lock screen password or PIN is different from your Amazon account password.
Reset Your Kindle Fire Reset your Kindle Fire if you forgot your lock screen PIN or your parental controls password and need to regain access.

If you have any content not saved in your Kindle Library in the Cloud, be sure to transfer that content from your device to your computer via USB.

Important: Resetting your Kindle Fire will remove all content downloaded to it. Any content you purchased from Amazon is saved to your Kindle Library in the Cloud and will remain in the Cloud. You can download that content again if you register your Kindle Fire to your account again.

1. From Home, swipe down from the top of the screen, and then tap More.
2. Tap Device.
3. Tap Reset to Factory Defaults, and then tap Erase Everything.

Your Kindle Fire will restart.

To use your Kindle Fire again, you'll need to connect wirelessly and register your Kindle Fire.

Try reseting it

You'll need to do a factory reset:
1. With the device off, press and hold Volume Up and Power.
2. Release the Power button when you see the logo, but continue to hold Volume Up until the recovery screen appears.
3. Use the Volume buttons to navigate the menu and select wipe data / factory reset. Press Home to choose the selection.
4. Press Volume Up continue.
This will reset you device to factory settings, however anything on your SD card will still remain.
At this point you will need to start fresh as if you just bought the device -- register with your email address, etc.

You'll need to do a factory reset:
1. With the device off, press and hold Volume Up and Power.
2. Release the Power button when you see the logo, but continue to hold Volume Up until the recovery screen appears.
3. Use the Volume buttons to navigate the menu and select wipe data / factory reset. Press Home to choose the selection.
4. Press Volume Up continue.
This will reset you device to factory settings, however anything on your SD card will still remain.
At this point you will need to start fresh as if you just bought the device -- register with your email address, etc.

Have you forgot windows 7 password?

Now, we'd recommend you a professional Windows password recovery software- Windows Password Reset as your reference.

As an easy method to reset Windows 7 password , there are only four steps as follow:
Step1: Download Windows Password Reset Deluxe and install it.
Step2: Burn the ISO image file onto a USB flash drive.
Step3: Boot up your Windows 7 PC by the bootable burned USB in minutes.
Step4: Remove the forgot Windows 7 password on the operation interface and logon PC without password.

From what I have found on this issue it looks like you will need to restore your nook back to factory settings. Any books you bought and backed up from Barnes & Nobles should re-download once you have restored the device and re-registered.

To complete a factory fallback:

1. Turn your device completely off.

2. Power up the device while holding in both the power button and the physical "n" button at the bottom of your NOOKcolor.

3. The device should begin to power up and you will see the welcome screen however keep holding both buttons down and the device will power down.

4. Repeat step 2.

5. When the welcome screen comes up, release both buttons.

6. The device will begin to power on and then a window will pop up asking if you would like to restore your device. Press the "n" button once and again to confirm.

7. The NOOKcolor will restore itself to full factory defaults and will startup as if it were brand new.

8. Re-register your device (while connected to a WiFi network) and you will start over fresh