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how to reinstall nitro pro 12 > older posts unhelpful

Rita Braun

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I uninstalled Nitro Pro 12 because it wasn't working properly. I am trying to reinstall it (RE: Allain Umailin post April 27, 2021 via link: http://install.nitropdf.com/professional_12169574/en/retail/nitro_pro12_ba_x64.msi) but without luck.

Website link for Allain's post: 


Please advise. I have access to my serial number.

Many thanks, Rita


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  • Official Nitronaut
Allain Umailin

Hello @Rita Braun,

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

If you are using Chrome or any of the Chromium-based browsers (e.g., Vivaldi, etc.) and you are unable to access the above installer links, you're more than likely experiencing the results of a new security feature that was silently pushed out to the browsers, which blocks .exe/.msi/etc downloads without any visible error or prompt on the browser's frontend user space. In order to bypass this, please try these steps:

a. Right-click the link you're trying to download, and select "Save link as..."
b. Choose your save location and select "Save"
c. On the bottom edge of your browser window, the Downloads bar should now appear and the file will show up with a red error icon, attempting to block the download. Press the caret button and select "Keep"

Thank you for choosing Nitro and I hope this helps.

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  • 2 weeks later...

Allain, I was able to install Nitro Pro. Thanks vey much for the help.


The reason for the uninstall/reinstall is that Nitro Pro, on some .xls files, reduces the conversion to a thumbnail size image, which appears in the upper left-hand corner of the PDF document.

What causes NitroPro to do that? I've checked *all* document/print settings, trying to determine how to avoid this issue. No luck!

Appreciate the help, Rita

Edited by Rita Braun
corrected "right-hand" to "left-hand"
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