# Installation Problem **URL:** \ **Category:** General Discussion\ **Created:** [June 20, 2011, 8:10pm UTC](https://forum.inductiveautomation.com/t/installation-problem/3025 "2011-06-20T20:10:12Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![erikburns](https://avatars.discourse-cdn.com/v4/letter/e/e5b9ba/32.png) [@erikburns](https://forum.inductiveautomation.com/u/erikburns)\ **Post date:** [June 20, 2011, 8:10pm UTC](https://forum.inductiveautomation.com/t/installation-problem/3025/1 "2011-06-20T20:10:12Z")
While upgrading to the latest version of Ignition, I received the attached error message. Then I found that ignition was not able to run on my machine, even after a reboot. What did I do wrong? Of course I have uninstalled and reinstalled Ignition but all my settings (and license) are now lost. ![](https://us1.discourse-cdn.com/inductiveautomation/original/1X/0da0e0ebcd9264435d941f7012408034d54a2592.jpg) ---
**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\ **Post date:** [June 20, 2011, 8:12pm UTC](https://forum.inductiveautomation.com/t/installation-problem/3025/2 "2011-06-20T20:12:56Z")
Is it possible you tried to run the 32-bit installer on top of a 64-bit installation (or vice-versa)? ---
**Author:** ![erikburns](https://avatars.discourse-cdn.com/v4/letter/e/e5b9ba/32.png) [@erikburns](https://forum.inductiveautomation.com/u/erikburns)\ **Post date:** [June 29, 2011, 9:08pm UTC](https://forum.inductiveautomation.com/t/installation-problem/3025/3 "2011-06-29T21:08:23Z")
No, I uninstalled the 64 bit and then installed the latest 64 bit. ---
**Author:** ![Travis.Cox](https://avatars.discourse-cdn.com/v4/letter/t/b9bd4f/32.png) [@Travis.Cox](https://forum.inductiveautomation.com/u/Travis.Cox)\ **Post date:** [June 29, 2011, 9:25pm UTC](https://forum.inductiveautomation.com/t/installation-problem/3025/4 "2011-06-29T21:25:51Z")
I would first install Java either 32bit or 64bit depending on which Ignition installer you are using. Once that is installed then run the Ignition installer.