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I have entered in my serial number and it won't accept the registration.

TweakMASTER Knowledge Base article KB0123

This can happen for several reasons. Most commonly people try to type in the serial number and make a simple mistake. It's very easy to mistake the letter "O" for Zero or and the letter "I" for a "1".

Therefore we always recommend people use cut & paste to transfer the serial number and NOT attempt to type it manually. It's too easy to mistake the letter "O" for Zero or and the letter "I" for a "1". If you need help with this process, please see the cut and paste instructions at the bottom of this page.

Another common mistake is that people have downloaded an update from us or elsewhere and are trying to apply a serial number which will not work. Certain distributors have sold special versions of TweakMASTER and issued version-specific serial numbers that will not work with the version downloaded elsewhere.

For example if you purchased it from Real Networks, it will say "RN Release" on the opening screen right below the version number. If it does not, then you cannot use a serial number which begins with M2. If this happens to you, use the Technical Support Request Form to let us know. Be sure to include your Real Networks serial number, your Real Networks order number and date of purchase if possible, so we will be able to help you.

Cut & Paste Instructions

To enter this registration number, print out your purchase confirmation email and then follow these steps:

• Highlight the entire registration code or serial number and use the combined keystrokes CTRL + C (CTRL key and the "C" key) to copy it to clipboard.
• Open the TweakMASTER software and click on the Register Button on the main TweakMASTER window ("About TweakMASTER").
• Now click in the box where it says "user name" and type the user name exactly as printed in your email confirmation into the user name field.
• Next click in the box where it says "serial number" to place your little blinking cursor in the box and then and paste the serial number you have copied to clipboard into the box provided using the combined keystroke CTRL + V (CTRL key and the "V" key).
• Hit the "OK" button to conclude registering your copy of TweakMASTER.