I updated to the latest Windows Phone 10 Technical preview. In the process I lost all of the application data that I had stored on my SD card and need to reinstall my apps. I removed the applications from my phone but now when I go to install the applications from the store again it won't let me as it still thinks the application is installed.

  • This could just be another bug, report it via the feedback app? – Neil Turner Jul 11 '15 at 13:05
  • Try doing a soft reset, this should reset your store cache. I found it's usually a good idea to do a hard reset after upgrading to Windows 10 mobile preview. This should definitely fix all app install issues. – Thomas Jul 11 '15 at 13:17
  • Try Check for updates in Store and Restart the phone. – Kolappan N Oct 6 '16 at 3:33

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