<h3><u>Problem</u></h3>
<p> PaperOffice doesn't start, you get the <b>"Error code #405 Internet connection not found"</b> but you are certain that you you have access to the internet.
<br><img src="https://api.paperoffice.ai/latest/knowledge/image/15/4425aa1ccf039f931e972a6511048c34dfb63d4d4b2370834247c06637265a95" xss=removed data-filename="E405s.jpg"><br></p>
<h3><u>Possible causes</u></h3> <p>
- A recent Kaspersky Total Security update is blocking the PaperOffice network connection.<br>
- Any antivirus/antimalware software is blocking the PaperOffice network connection.<br>
- Any installed firewall is blocking the PaperOffice network connection. </p>
<h3><u>Possible solutions</u></h3>
<p>
- Uninstall "Kaspersky Total Security" or any other antivirus/antimalware software and restart your PC. (Recommended)<br>
- Add the complete PaperOffice installation folder to the antivirus/antimalware exclusion list.<br>
- Check your firewall settings to unblock any PaperOffice components. </p>