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Our application is using the Data Protection API (via the ProtectedData class) to encrypt a password before storing it. It was working fine until recenly, but suddenly the Protect method started taking 2 seconds to return (instead of about 0.5ms). Things to note:

  • it still works normally on my colleagues' machines
  • we're using DataProtectionScope.CurrentUser; if I switch to DataProtectionScope.LocalMachine, it works normally again (but that's not what I want)
  • I tried to restart the crypto service, which had no effect
  • I tried to restart the computer, which had no effect either

What could be causing this? How can I fix it (preferably without reinstalling Windows)?

Thomas Levesque
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1 Answers1

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The problem disappeared after I changed my account password.

Thomas Levesque
  • 286,951
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  • 623
  • 758