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I can't install the 14-day trial

Giuseppe Giraudo

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Giuseppe Giraudo


I have Windows 10 2h21 when I try to install the Trial the message appears:

"Somethings is blocking Nitro from proceeding"

I tried to disable Kaspersky antivirus but it gives the same error.
You can help me ?
Waiting for best regards.



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Allain Umailin

Hello @Giuseppe Giraudo,

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

I believe you are having issue because you are installing our trial version using our online (.exe) installer.

To further assist you, kindly clear all your downloads folder or delete all downloaded Nitro installers. This step is important because we noticed that if you are saving all the installers and you download them in the same folder (like the downloads folder), the EXE can pick up any MSI installer in that folder and you may pick-up one of the older builds instead of the newly downloaded package.

Then download and install Nitro Pro 13.35 using below offline installers:

x32 http://install.nitropdf.com/professional_13353685/en/retail/nitro_pro13_ba_x86.msi
x64 http://install.nitropdf.com/professional_13353685/en/retail/nitro_pro13_ba_x64.msi

To know if you have 32-bit or 64-bit, please refer to this article:

After installing, you should be able to enjoy this trial for 14-days!


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