Step 1: Login to cPanel and click on File Manager.
Step 2: You need to find the database name first. You can find it under config.php file.
Step 3: Now go to phpMyAdmin.
Step 4: Select the database and click on user option under the database.
Step 5: In order to reset the password, you need to generate MD5 password. The MD5 algorithm is a widely used hash function producing a 128-bit hash value. You can generate MD5 password using the link: http://www.md5-creator.com/
You can also generate password hash using the below link:
Step 6: Enter any random password and click on Create MD5 button. You will get an MD5 password. Copy that password.
Step 7: Select the user and replace the MD5 password under password option.
Step 8: Now login to the admin panel using the random password which you were used to generate the MD5 password. In this case admin panel password is G\vkFF4wSE;vpg)M.