“Windows Simulator has detected that you have saved a Windows Credential …” error dialog is very common when you try to deploy and run any Windows Store app in Windows Simulator. This error message indicate there is already one entry in the Credential manager, which is preventing the simulator to start. The quick solution of this problem to remove the entry from the credential vault.
Here is the error message
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How to solve it ?
1. Search for Credential Manager
2. Select “Windows Credentials” and Identify the entry for “*Session”
3. Expand the entry, and “Remove” the entry.
4. Confirm the remove.
That’s all. Now you should be able to run the simulator once again from Visual Studio.
