Frequently Asked Questions

Driver Problems


  1. Close Chrome
  2. Connect your guitar now and try again

If this also does not work, contact us via

Plug-in Problems

Make sure you are using Chrome Browser.

If you are using Chrome Browser, restart your Chrome Browser and try again. If you still can not install the plugin, sign in to a google account and try again. If your problem still exist, go to page Chrome update and apply the steps one by one. After the update, try to install the plugin again.

If you installed the extension go to Chrome Tools>Extensions and activate the myChordBook Fretlight Extension extension.

General Problems

It can be due to a bad sync. However, if the situation is same with all songs please contact us

We consider assign a difficulty level to each chord. Each song difficulty represents the average difficulty of all chords within.

If you have a better algorithm in your mind, please share with us: or from Contact page


Solution 1
  1. Go to the PayPal website and log in to your account.
  2. Click "Profile" at the top of the page.
  3. Click "Language Preference" in the Account Information column.
  4. Select your preferred language and click "Save."
Solution 2

Please try to clear your browser's cache and re-click subscription button.

Here's how to cancel future automatic payments through the PayPal portal. If you cancel your subscription, it will not affect your current subscription, it will only block recurring payments.

1.Login to your PayPal account.

2.In the top right, click the Profile button. It looks like a gear.

3. In the Payment Settings section, click Preapproved payments.

4. Find the subscription payment you want to cancel, and then click Cancel.

Please contact with us: or from Contact page