“Failed to unlock data vault” error in Kaspersky Security Cloud
Latest update: October 02, 2023
ID: 15418
The article concerns Kaspersky Security Cloud — Family and Personal.
Issue
When trying to open an encrypted vault in Kaspersky Security Cloud, the “Failed to unlock data vault” error appears.
Cause
- The System user account does not have permissions on using files.
- The data vault is located in the root folder of the system disk.
Solution
- Check the permissions of the System user account.
If the account has no permissions or some restrictions are set, fix it using the instruction. - If the vault is located in the root folder of the system drive, copy it to any other folder and then reconnect to Kaspersky Security Cloud according to the instruction.
How to check and configure the permissions of the System account
- Open the shortcut menu of the data vault and select Properties.
- Go to the Security tab and select System.
- Check the permissions for the System group.
- If the check boxes in the Deny column are selected for Modify, Read & execute, Read or Write permissions, click Edit.
- Clear all selected check boxes in the Deny column and click OK.
How to reconnect a vault
- Copy the vault to any folder.
- In the main window of Kaspersky Security Cloud, click More Tools.
To find out how to open the main application window, see the instruction.
- Go to the Data Protection section and click Data Encryption.
- Click I already have a data vault.
- Specify the path to the data vault and click Select.
- Your data vault will be displayed in the Data Encryption window.
- Click Unlock on the right of the connected vault.
- Enter the password and click Open data vault in Windows Explorer.
