How do I Fix a 1Z32.Dll Checksum Error?

1. Click the 'Start' button and go to 'All Programs.'
2. Click 'Accessories' from the menu and right click on the 'Command Prompt' option.
3. Click 'Run as administrator' from the menu and enter your administrator password into the blank when prompted.
4. Type 'sfc /scannow' into the command prompt when it appears and press the 'Enter' button.
5. Wait for the system to correct the error and then restart your computer for the changes to take effect.