---
title: How to fix a corrupted license key.
description: "Repair a corrupted license key in four simple steps: Close the program, delete the folder, enable hidden folders. Find out how to do it here."
---
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# How to fix a corrupted license key.
You would need to delete the license key and restart the computer/laptop:
1\) Right-mouse click the Primus Softphone program in the Windows tray and close the program so that it's not just minimized
2\) Enable hidden folders in Windows
3\) Navigate to C:\\ProgramData\\Primus\\Primus Softphone4) Delete the folder named "5.0"
To enable Hidden folder:
Open File Explorer from the taskbar. Select View \> Options \> Change folder and search options. Select the View tab and, in Advanced settings, select Show hidden files, folders, and drives and apply at bottom.
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