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-2: Error - Bad parameter when activate nitro pro 11


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Recently i noticed that my Nitro Pro has reverted to trial mode when my pc upgrade the system. I have tried to install back my Nitro Pro 11 using my existing serial no & it shows bad parameter. Thus i had tried to deactivate & it failed as well.

I had tried to upgrade this to Nitro Pro 13 & realized that this is only trial mode. I need help to advise how do i go about installing back my nitro with my existing serial no which purchased online.


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  • Official Nitronaut
Allain Umailin

Hello @llckalyn,

Thank you for reaching out to us through our Community Forums!

In order to further assist you, could you please provide the serial number of your Nitro Pro 11?

To send it via private message, hover your mouse on top of my name 'AllainU' and select 'Message'.

This matters because our business installers are different from the online ones.

Thank you very much in advance and I am looking forward to hearing back from you. 

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