Pete F Posted May 8, 2018 Report Share Posted May 8, 2018 I run Nitro Pro 8 on my 64bit Windows PC. Today I updated Windows to 10.0.17134 and Nitro refused to open. When I looked at the Task Manager I could see in background processes that it was attempting to open multiple instances. I tried "Repair"...no change I uninstalled and then downloaded Nitro Pro 8 64 bit from the Nitro website. However, the install hangs at at the first step (preparing to install) and will go no further...I've waited 6 hours without success and when I click cancel the installer hangs and I have to use Task Manager to kill the process. I use Nitro all the time so this is a major issue for me...please help. Link to comment Share on other sites More sharing options...
Administrators Alex Edwardes Posted May 9, 2018 Administrators Report Share Posted May 9, 2018 Hi @Pete F, I recommend that you reboot the computer, then try this installer: http://install.nitropdf.com/pro8/en/retail/nitro_pro8_x64.exe If that doesn't work, please try this Microsoft utility: https://support.microsoft.com/en-us/help/17588/fix-problems-that-block-programs-from-being-installed-or-removed If you still have no luck, you can try: 1. Download our Clean Up utility: http://install.nitropdf.com/support/downloads/cleanup.zip 2. Extract the utility to the desktop (it doesn't properly run from within the zip) 3. Run the utility (This will wipe Nitro from your system) 4. Reboot and try the above installer. I should also mention that your serial will only cover you for the version you purchased. A Pro 8 serial will only work with Pro 8. If you wanted to upgrade, you can do so from here: https://www.gonitro.com/pro/upgrade Link to comment Share on other sites More sharing options...
Pete F Posted May 9, 2018 Author Report Share Posted May 9, 2018 Thanks Alex, the Clean Up utility followed by a restart and reinstall has solved the issue. Pete Link to comment Share on other sites More sharing options...
Davemms Posted September 13, 2018 Report Share Posted September 13, 2018 I've got the exact same problems on both my Windows 10 machines. Tried the clean up, re-installing multiple times but if I can get it working it usually only lasts a few days then stops again. Do you have any other options? Link to comment Share on other sites More sharing options...
Official Nitronaut Leslie V Posted September 13, 2018 Official Nitronaut Report Share Posted September 13, 2018 Hello @Davemms, Please try the cleanup tool and if you are using your Nitro Pro 10 copy, please make sure you have the latest update: http://install.nitropdf.com/pro10/retail/nitro_pro10.exe Hope that helps! Link to comment Share on other sites More sharing options...
roguefriar Posted September 13, 2018 Report Share Posted September 13, 2018 Exact same problem today with Nitro Pro 12, most recent version. Will try cleanup tool. Link to comment Share on other sites More sharing options...
roguefriar Posted September 13, 2018 Report Share Posted September 13, 2018 No success. Ran cleanup tool, restarted machine. Still have problem. Downloaded file still wants to uninstall program. Link to comment Share on other sites More sharing options...
Davemms Posted September 13, 2018 Report Share Posted September 13, 2018 yes, tried both clean up tools multiple times...no luck so far Link to comment Share on other sites More sharing options...
roguefriar Posted September 15, 2018 Report Share Posted September 15, 2018 Saturday morning, still no comments here or reply to service inquiry. Link to comment Share on other sites More sharing options...
Official Nitronaut Leslie V Posted September 17, 2018 Official Nitronaut Report Share Posted September 17, 2018 On 9/14/2018 at 6:42 AM, Davemms said: yes, tried both clean up tools multiple times...no luck so far Hi @Davemms, I sent you a direct message. Link to comment Share on other sites More sharing options...
Official Nitronaut Leslie V Posted September 17, 2018 Official Nitronaut Report Share Posted September 17, 2018 Hello @roguefriar, I also sent you a DM. Cheers! Link to comment Share on other sites More sharing options...
Pete F Posted September 24, 2018 Author Report Share Posted September 24, 2018 Hi. I am now having a recurrence of this issue. The uninstall/clean up utility and full reinstall worked for a while but I am now having to do this process a couple of times a week...which obviously is very time consuming as it requires me to reinstate signatures, protection profiles etc. Do you have a solution to this other than to have to keep repeating reinstalls? Thanks Link to comment Share on other sites More sharing options...
Official Nitronaut Leslie V Posted September 24, 2018 Official Nitronaut Report Share Posted September 24, 2018 Hello @Pete F, Unfortunately we no longer support or update 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. Hope that helps! Link to comment Share on other sites More sharing options...
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