I'm not sure if the problem that I have got is a hardware or a software issue but when I log on and input my password, message pops up " the user profile service service failed the logon, user profile cannot be loaded"

When you <a href="http://www.windowsloginrecovery.com/forgot-windows-password.html">forgot Windows password</a>, did you feel confused that why you cannot reset the forgotten Windows password via standard user or guest account? The answer is very simple as the standard user and guest accounts do not have rights to reset the password of another accounts. Within the three types of Windows user accounts, only the administrator account allows you to change another accounts' password. So if you want to <a href="http://www.windowsloginrecovery.com/reset-windows-password.html">reset Windows password</a> of another accounts, you need to change your account type to administrator firstly. Moreover, if you need to give a user more access to perform tasks like installing software or other system changes, you also need to change your account type.<br /><br /><span style="font-weight: bold;">Steps to Change Windows User Account Type</span><br /><br />1. Log on your Windows machine with an administrator account.<br /><br />2. Click "Start" - "Control Panel" - "User Accounts and Family Safety" - "User Accounts".<br /><br />3. Click "Manage another account".<br /><br />4. Click on the user account that you would like to change its type.<br /><br />5. On the following window, click "Change the account type" from on the left pane.<br /><br />6. Select Administrator and click "Change Account" Type to finish your operation.<br /><br />Since the standard user account turn to an administrator one, you can reset Windows password of another accounts or do other operations without limitation through control panel.<br /><br />You can change standard user to administrator only when you can log on your computer with an available administrator account. If you forgot Windows password of all administrator accounts, you'll need to reset Windows administrator password even you can access your computer with a standard user or guest account.<br /><br />Software Windows Login Recovery allows you to create a password reset disk with blank CD/DVD or USB flash drive. With the disk you can reset Windows password to be empty in few minutes. With it, you'll never be worried when you forgot Windows password. All you need to do is just three steps.<br /><br />1. Download and install Windows Login Recovery.<br /><br />2. Burn a password reset disk with a blank CD/DVD or USB flash drive.<br /><br />3. Reset Windows password to be empty.<br /><br />Now you can log on to your computer without passwords. By the way, you can reset any account's password with this software. <br /><br /><span style="font-weight: bold;">Something about Windows User Accounts</span><br /><br /><span style="font-weight: bold;">Administrator:</span> A administrator account is intended for someone who can make system wide changes to the computer, install software, and access all non-private files on the computer. Only with administrator rights you can full access to other user accounts on the computer, change other their names, passwords, and types.<br /><br /><span style="font-weight: bold;">Standard user:</span> The standard user account can help protect your computer by preventing users from making changes that affect everyone who uses the computer. When you log on to Windows with a standard user account, you can do anything that you can do with an administrator account. But if you want to install software or hardware, reset Windows password of another accounts, etc. the computer might ask you to provide a password of an administrator account.<br /><br /><span style="font-weight: bold;">Guest:</span> A Guest account allows people to use your computer without having rights to access to any of your personal files. This can be useful if you want to quickly allow someone to use your computer. A person that log on computer with guest account cannot install software or hardware, change system settings, or create a password.