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Error 401


Eric Wollard

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Eric Wollard

Hava a licensed and activated copy of Nitro pro v. 13.9.1.155.  Every time I start get an "Error 401" and have to click through to proceed, annoying to say the least.  Have tried updating and uninstalling and reinstalling to no avail.  Also have to log in to Nitro online either a) before using app or b) before using any online feature like signing no matter whether I check the "remember me" check box or not.  

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  • 1 month later...
  • Official Nitronaut

Hello @Bradley Walden @ira@iramarks.com,

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

In order to further assist you, could you please provide a screenshot of your 'About Nitro Pro' window under Help tab?

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

To find out how to take a screen shot, check out this link: https://kb.gonitro.com/knowledgebase/#/search/screen/000004108 

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

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Hello @ira@iramarks.com,

Thank you for the private message.

We are pleased to inform you that we have released a recent update (Nitro Pro 13.13.2.242) that addresses the 'Error 401' issue so kindly update to the latest build by downloading our direct installers below:

x32 http://install.nitropdf.com/professional_13263505/en/retail/nitro_pro13_ba_x86.msi 
x64 http://install.nitropdf.com/professional_13263505/en/retail/nitro_pro13_ba_x64.msi

To know if you have 32-bit or 64-bit, please refer to this article: https://support.microsoft.com/en-ph/help/15056/windows-32-64-bit-faq

Feel free to also read the Release Notes for this new build by accessing this page: https://www.gonitro.com/nps/product-details/release-notes 

Thank you for your patience and I hope this helps!

Edited by AllainU
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  • 3 weeks later...
  • Official Nitronaut

Hello @Robert Lagas,

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

In order for me to further assist you with your concern, could you please provide the following?:

1. Does logging in and out of Nitro Cloud within Nitro Pro resolve this issue? If so, is it only momentary? Do you see this when you keep the program open and running?
2. Does this error appear when launching certain features (i.e. signing into your Nitro Cloud account) or does this appear every time launching of the Nitro Pro desktop program (without opening any PDF file)?
3. Do you encounter this after connecting and then disconnecting from the Internet or does it happen while you remain connected? If so, how stable is your Internet connection?

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

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I have started getting the error 401 on all my computers as well. We are using Nitro Pro 12.0.108 and the problem started today. We have tried restarting the program and rebooting the computers. Please advise.

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Robert Lagas

Hi @AllainU ,

thank you for your help. I have logged in and out and for now this resolved the issue. 

By the way: it only occurred (every time) when I launched the Nitro Pro desktop program.

Thank you again and have a nice day.

Robert

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Hello @John Timmerhaus,

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

In order for me to further assist you with your concern, could you please provide the following?:
-The serial number of your Nitro Pro. 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.
-Build of Nitro Pro are you working with. You can find this out by clicking on 'About Nitro Pro' under the Help tab (format is 12.X.X.X, e.g. 12.0.0.112) or you can go to Control Panel > Programs and Features.

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

 

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On 10/3/2020 at 1:15 AM, AllainU said:

Hello @ira@iramarks.com,

Thank you for the private message.

We are pleased to inform you that we have released a recent update (Nitro Pro 13.13.2.242) that addresses the 'Error 401' issue so kindly update to the latest build by downloading our direct installers below:

x32 http://install.nitropdf.com/professional_13263505/en/retail/nitro_pro13_ba_x86.msi 
x64 http://install.nitropdf.com/professional_13263505/en/retail/nitro_pro13_ba_x64.msi

To know if you have 32-bit or 64-bit, please refer to this article: https://support.microsoft.com/en-ph/help/15056/windows-32-64-bit-faq

Feel free to also read the Release Notes for this new build by accessing this page: https://www.gonitro.com/nps/product-details/release-notes 

Thank you for your patience and I hope this helps!

Hello @Mitty,

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

Could you please update to 13.26 using the above direct MSI links? How did it go?

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

Edited by AllainU
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19 hours ago, Lane Lewis said:

I have started getting the error 401 on all my computers as well. We are using Nitro Pro 12.0.108 and the problem started today. We have tried restarting the program and rebooting the computers. Please advise.

Hello @Lane Lewis,

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

To further assist you, please update to 12.16 by referring to these steps:

1. Clear the content of the directory under C:\users\your_username\Appdata\local\temp. For whatever reason, not all temp files automatically remove themselves and is NOT usually caused by Nitro Pro files. Kindly note Appdata folder is hidden and to unhide it, please refer to this article https://cybertext.wordpress.com/2012/05/29/cant-see-the-appdata-folder/ 

2. Download and run our Clean Up utility to uninstall your Nitro Pro:  http://install.nitropdf.com/professional_12163574/install-cleanup/install-cleanup.zip

NOTE: This clean-up tool will erase any existing signature files within Nitro so please save them to another location before using the clean-up tool in order to keep them. Please see this link for backing up custom stamps/signatures: https://kb.gonitro.com/knowledgebase#/search/stamps/000004307 

3. 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.

4. Download and install Nitro Pro 12.16 using below offline installers:

x32 http://install.nitropdf.com/professional_12163574/en/retail/nitro_pro12_ba_x86.msi
x64 http://install.nitropdf.com/professional_12163574/en/retail/nitro_pro12_ba_x64.msi 

To know if you have 32-bit or 64-bit, please refer to this article:
https://support.microsoft.com/en-ph/help/15056/windows-32-64-bit-faq 

5. After installation, you can activate by opening Nitro Pro, clicking on the Help tab > About Nitro Pro > Activate by entering your serial number

6. Logout and re-login to your Nitro Sign account.

Thank you for choosing Nitro and I hope this helps.

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17 hours ago, Lily Xiao said:

@AllainU, I have same kind problem as "ERROR 401" 

Hi @Lily Xiao,

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

In order for me to further assist you with your concern, what build of Nitro Pro are you working with?

You can find this out by clicking on 'About Nitro Pro' under the Help tab (format is 13.X.X.X, e.g. 13.2.3.26) or you can go to Control Panel > Programs and Features.

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

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8 minutes ago, Mitty said:

Thank you, is this an update or do I need to uninstall first?

Hello @Mitty,

You may just run the installer and update on-top of your current build.

Thank you for choosing Nitro and I hope this helps.

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19 minutes ago, AllainU said:

Hello @Mitty,

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

Could you please update to 13.26 using the above direct MSI links? How did it go?

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

Resolved issue.  Thank you @AllainU

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7 hours ago, AllainU said:

Hi @Lily Xiao,

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

In order for me to further assist you with your concern, what build of Nitro Pro are you working with?

You can find this out by clicking on 'About Nitro Pro' under the Help tab (format is 13.X.X.X, e.g. 13.2.3.26) or you can go to Control Panel > Programs and Features.

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

Nitro Pro 13.6.0.108

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Hello @Lily Xiao,

Thank you for this information.

We are pleased to inform you that we have released a previous update that addresses the 'Error 401' issue so kindly update to the latest build by downloading our direct installers below:

x32 http://install.nitropdf.com/professional_13263505/en/retail/nitro_pro13_ba_x86.msi 
x64 http://install.nitropdf.com/professional_13263505/en/retail/nitro_pro13_ba_x64.msi

To know if you have 32-bit or 64-bit, please refer to this article: https://support.microsoft.com/en-ph/help/15056/windows-32-64-bit-faq

Feel free to also read the Release Notes for this new build by accessing this page: https://www.gonitro.com/nps/product-details/release-notes 

Thank you for your patience and I hope this helps!

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  • Official Nitronaut

Hello @Niki van Leeuwen,

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

Could you please open your Nitro Pro 12, confirm the error message, logout from Nitro Sign at the upper-right corner of the program, close then relaunch Nitro Pro and re-login Nitro Sign? How did it go?

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

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