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Antivirus software - What should I do if I get Error code #E405 Internet connection not found
What should I do if I get Error code #E405 Internet connection not found
What should I do if I get Error code #E405 Internet connection not found
![Timo Inglin](https://help-en.paperoffice.com/uploads/profile/61db1cdd8e3a8.png)
Timo Inglin
Created: 12.05.2022 15:12 - Updated: 12.05.2022 15:27
Problem
PaperOffice doesn't start, you get the "Error code #405 Internet connection not found" but you are certain that you you have access to the internet.
Possible causes
- A recent Kaspersky Total Security update is blocking the PaperOffice network connection.
- Any antivirus/antimalware software is blocking the PaperOffice network connection.
- Any installed firewall is blocking the PaperOffice network connection.
Possible solutions
1. Uninstall "Kaspersky Total Security" or any other antivirus/antimalware software and restart your PC. (Recommended)
2. Add the complete PaperOffice installation folder to the antivirus/antimalware exclusion list.
3. Check your firewall settings to unblock any PaperOffice components.
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