I use Ubuntu 18.04 with Gnome Shell and Koofr icon has disappeared. Why?

Help

• Create and manage your account
• Create, upload and rename files and folders
• Move and download files and folders
• Share files and folders
• Delete and restore files and folders
• Connect other cloud services
• Koofr tools and plugins
• Upgrade Koofr account
• Privacy and safety
• Koofr on mobile devices
• Linking Koofr with desktops
• Koofr with WebDAV and rclone
• Koofr Vault
• Two-Factor Authentication
• Koofr integrations
• Gift cards
• Loyalty Discount
• Other