synthsin75 wrote:Usually, any O's are zeroes, in the serial number.

I pasted the serial from the email (no end or beginning spaces) and also typed it, only Zeros

jahnocli wrote:Maybe something is corrupted. Have you tried downloading a trial version and then activating it using your serial number?

No, it doesn't work

thank you, I'll try that when I come home at night!

Hello all, A week ago I bought Moho pro as a download and installed it. Entering the serial number produces "You have not entered a valid serial number". Also, I cannot open the pro demo, only the studio version demo. The dialog box just shortly goes away and then comes back with no other ...