Check your Firewall settings. Ensure that AnyDesk.exe is added to the exceptions list in the Windows Firewall.
Verify that you have Windows XP Service Pack 3 (SP3) installed. Most remote desktop protocols after 2015 require the system updates found in SP3 to manage encryption keys. Resolving Connection and SSL Errors anydesk windows xp fixed
The most stable "fix" for Windows XP is to stop trying to update the software. AnyDesk version 6.1.1 is widely considered the final version that maintains full compatibility with Windows XP Service Pack 3. Check your Firewall settings
Disable "Show Remote Cursor" and "Transmit Audio" to save bandwidth and processing power. anydesk windows xp fixed
During installation, immediately go to Settings > About AnyDesk.