Error 1311 “Source file not found” when installing a Kaspersky application
Latest update: May 16, 2025
ID: 16139
Show applications and versions that this article concerns
- Kaspersky Standard, Plus, Premium
- Kaspersky Security Cloud
- Kaspersky Internet Security
- Kaspersky Anti-Virus
- Kaspersky Total Security
- Kaspersky Small Office Security
- Kaspersky Free
Issue
When installing a Kaspersky application, you encounter the error 1311 “Source file not found”.
Solution
Try installing the app again after completing each step. If the issue persists, proceed to the next step.
- Make sure no incompatible applications are installed on your computer.
- For the full list of applications incompatible with Kaspersky apps, see this article.
- If any of such applications are installed, remove them following the instructions.
- Restart your computer.
- Download the Kaspersky application installation package again, as the file may have been damaged during the installation or storage on the device.
- Follow the instructions from this article.
What to do if the issue persists
If the issue persists, contact Kaspersky Customer Service.
If you use Kaspersky Free, you can look up your problem on our Forum or create a new topic with a detailed description of the issue.