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I issues with windows 8.1 and now when I try to access my Nitro Pro 8 I get a message "The service does not have sufficient privileges. Please re-install" . I have the serial number but how do I go about re-installing. Can anybody help me with this?

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Kelvin B. Villarin

Hi @olofflam@mweb.co.za,

Thanks for posting on our community forums!

I trust you are doing well and thanks for contacting Nitro!

I need to let you know that we no longer support Nitro Pro 8.

It has been discontinued as documented in our Sunset Policy: https://www.gonitro.com/nps/product-details/sunset-policy

If you would like to trial our latest product, Nitro Pro 12, you can download it from here: https://www.gonitro.com/pro/try

It will run as a full featured product for 14 days! After that, if you choose not to purchase it, you can still use it as a pdf reader.

Alternatively, if you prefer to keep using Nitro Pro 8, I recommend that you download the appropriate version from here: 


If you are not sure which to pick, this will help: http://kb.gonitro.com/knowledgebase#/search/32/000001874

After installation, you can activate by opening Nitro, clicking on the Help tab > About Nitro Pro > Activation and enter your serial number.

I hope this helps.


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