Run error when starting Protected Browser


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Run error when starting Protected Browser

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Latest update: August 26, 2021 ID: 12692


When opening Protected Browser, you may get the error message: "Run error. Failed to run Protected Browser: 0x80000221” or the “Failed to run Protected Browser” notification in the lower part of the screen.

Run error when starting Protected Browser


The error may be caused by modification of standard Windows libraries.


  • Set another default browser to proceed to websites. See the guide below.
  • Rename the Common folder where the Protected Browser settings are stored. See the guide below.

How to change the default browser


How to rename the Common folder


What to do if the issue persists

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