Darren Pugh Posted October 4, 2021 Report Share Posted October 4, 2021 Error code 401 appears when opening a document É Link to comment Share on other sites More sharing options...
Official Nitronaut Reymund Oyong Posted October 4, 2021 Official Nitronaut Report Share Posted October 4, 2021 Hi @Darren Pugh Thank you for reaching out to us through our Community Forums! I understand that you are getting the 401 error message when opening a document in Nitro PDF Pro. Could you please provide the version and exact build of your Nitro PDF Pro? You can see this information under the Help tab > About Nitro Pro. I look forward to hearing back from you. Kind regards, Link to comment Share on other sites More sharing options...
Darren Pugh Posted October 4, 2021 Author Report Share Posted October 4, 2021 25 minutes ago, Reymund G. said: Hi @Darren Pugh Thank you for reaching out to us through our Community Forums! I understand that you are getting the 401 error message when opening a document in Nitro PDF Pro. Could you please provide the version and exact build of your Nitro PDF Pro? You can see this information under the Help tab > About Nitro Pro. I look forward to hearing back from you. Kind regards, Product: Nitro Pro (12.16.3.574) x64 Link to comment Share on other sites More sharing options...
Darren Pugh Posted October 4, 2021 Author Report Share Posted October 4, 2021 Product: Nitro Pro (12.16.3.574) x64 Link to comment Share on other sites More sharing options...
john kula Posted October 11, 2021 Report Share Posted October 11, 2021 I just reinstalled Nitro Pro (12.16.9.574) on a Windows 10 64-bit computer with a new SSD. Nitro Pro is set as the default app for pdf files. I'm now getting error message 401 every time I open a pdf file. Didn't get this at all on the previous installation. Please advise how I can fix this. Thanks Link to comment Share on other sites More sharing options...
Official Nitronaut Reymund Oyong Posted October 15, 2021 Official Nitronaut Report Share Posted October 15, 2021 Hi @Darren Pugh, Please update your Nitro PDF Pro 12 installation to 12.16.9.574 by downloading the installer from the following location: https://www.gonitro.com/nps/product-details/downloads - Click the 'Download Nitro Pro 12' link After the update, confirm that it is 12.16.9.574 by going to the Help tab > About Nitro Pro. Once confirmed, please observe if you still get the 401 error message. If the error persists, please do the following: 1. Open your Nitro Pro then close the 401 error message if it shows up. 2. At the top right, click the Logout then close Nitro Pro. 3. Open Nitro Pro then click the Login button and login using your Nitro Sign account. Kind regards, Link to comment Share on other sites More sharing options...
Official Nitronaut Reymund Oyong Posted October 15, 2021 Official Nitronaut Report Share Posted October 15, 2021 Hi @john kula Thank you for reaching out to us through our Community Forums! Please perform the steps below and see if the 401 error message persists: 1. Open your Nitro Pro then close the 401 error message if it shows up. 2. At the top right, click the Logout then close Nitro Pro.3. Open Nitro Pro then click the Login button and login using your Nitro Sign account. Kind regards, Link to comment Share on other sites More sharing options...
john kula Posted October 15, 2021 Report Share Posted October 15, 2021 Thanks @Reymund G. - That helps for the most part. Now when I open a previously saved PDF I no longer get the error. However, if I get a PDF via email, Microsoft Teams, etc., and open it before first saving to my hdd, I still get the error. So it's better although not perfect. Link to comment Share on other sites More sharing options...
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