Firstly your email account is full again & forum notifications are not reaching you. Secondly did you see my reply to your previous issue here? http://www.gnutellaforums.com/open-d...tml#post378161

If you're using a Microsoft account, you can reset your password online.
https://support.microsoft.com/en-au/...t-sign-in-cant

https://support.microsoft.com/en-au/...-your-password

Sorry I don't know much about M$ accounts, I gave up on using one because I found it a PITA.

Otherwise (googled answer):

Windows - How to Change your Computer Login Password - Pharmacy IT

To Change / Set a Password

1. Click the Start button at the bottom left of your screen.
2. Click Settings from the list to the left.
3. Select Accounts.
4. Select Sign-in options from the menu.
5. Click on Change under Change your account password.

OR

Step 1: Open Start Menu. Go to the desktop of your computer and click on the Start menu button.
Step 2: Select Control Panel. Open the Control Panel.
Step 3: User Accounts.
Step 4: Change Windows Password.
Step 5: Change Password.
Step 6: Enter Password.

Microsoft/MS Windows periodically ask you to change your password. I recall with Windows 8 I didn't change it. I used a small trick but not sure I should specify the details here.