CS5.5 Master now says invalid serial#

[gianniz54035162]

I installed and registered CS5.5 Master 4 years ago and everything worked perfectly until this month when statt anything i get a screen that is called "CS5.5 Master Collection Trial"

asking me for my serial number. I enter the number and it says its invalid. How to I fix this or Who do I contact?

[Anupriya Khare · Accepted solution]

Hi

Please refer to the links below.

• Invalid serial number error
• Error "The serial number is not valid for this product" | Creative Suite

Hope this will help you.

Regards,

Anupriya Khare

[licop]

I have the same problem and it is still have problem even I tried all those steps !

Can anyone help ?

When I tried to reinstall and key in the license key.

The installer accepted and let me continues.

Then after installation, I try to execute it the invalid license pop-up windows.

I typed the same license key this times, it still saying that the key is invalid.