A beginner may face the same issue if they do the same process unknowingly. In that case, this step will help them to understand that, you can't install the new version without uninstalling the previous one and if you want to do the same, you will face the same as mentioned below. Started the installation process. It will install the prerequisite first and load the setup process. After that, it will show you the below ERROR message dialog in case you tried to install the beta 2 without uninstalling the previous version.
If you see the same screen, just exit the setup and go for uninstalling the earlier product. To uninstall the Windows Phone Developer Tools 7. To do this step easily, go to run and type "appwiz. It will start the uninstallation of the product. The first screen will show the following Maintenance Mode dialog:. By default, "Repair or Reinstall" option will be selected. Change the option to "Uninstall" as shown below and click "Next". It will ask you whether you really want to uninstall the product.
Click "OK" to continue with the uninstallation. This will start the Uninstallation process and remove all the dependent products one by one as shown in the below screenshot. This will take some time to remove all of them. Once removed completely, it will ask you to Restart your PC. You can click "Restart Later" and continue with the next step, but it is recommended to restart your PC so that all the dependent temporary files will remove from the system and memory.
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Make sure you've uninstalled any previous versions of the SDK and make sure you've got all applications particularly VS closed. Failing that, you're better off asking in the official forums.
Beside Richard answer, you might to make sure that you have VS SP1 installed in case you have VS professional or ultimate Installed on your machine. How are we doing? Please help us improve Stack Overflow. Take our short survey. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Installation of the Windows Phone 7. I've tried uninstalling all of the 7. Now my dev environment is completely broken.
I guess I can try going back to 7. Does anyone have any suggestions as to how I can get it to install? I can post the setup log file if anyone would find it useful. Thanks, Adam. Sunday, August 7, PM. Tuesday, August 9, AM. Hi Aaron, Thanks for the reply. I've ultimately decided to take the plunge and reinstall Windows. Not exactly what I had planned, but I'm going to have to do it sooner or later I think, so it may as well be sooner.
Thanks and regards, Adam. Tuesday, August 9, PM.
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