After you remove Symantec's Norton antivirus, some of its records may remain in the system registry and prevent a Kaspersky Lab product from installation. Make sure you fully remove Norton antivirus before installing a Kaspersky Lab product. Use the following guides:
To remove third-party software using Microsoft Windows tools, please refer to these instructions.
When you use regular Windows tools for removal, some files and folders of the previously installed software may remain in the system. We recommend that you check the Program Files folder for such files after removing software from your computer. If the Program Files folder contains any subfolders or files of the antivirus software installed earlier, please remove them. Then, try to install a Kaspersky Lab product once again.
To completely remove Norton antivirus solution, you can use Norton Removal Tool by Symantec (NORTON REMOVAL TOOL (С) Symantec Corporation. Distributed under the terms of the NORTON Software Tool Usage Agreement). Try to install your Kaspersky Lab product once again after you fully remove Norton software.
If you are sure you have completely removed third-party antivirus software, but you still experience problems installing a Kaspersky Lab product, please create a request to Kaspersky Lab Technical Support via My Kaspersky. Attach a report of the Getsysteminfo tool to your request. In the request, give detailed description of the problem and the actions necessary to reproduce the problem.
For information on how to use My Kaspersky, please refer to the Online Help page.
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