Modern remote desktop software (AnyDesk, TeamViewer, Chrome Remote Desktop) relies on modern code.
On Windows 2000, it is advised to use the portable version, which does not require formal installation, preventing registry issues in an aged OS. Anydesk For Windows 2000 32 Bit
The easiest path to success is downloading an older, official build of AnyDesk that still natively supported the legacy Windows NT architecture. Recommended Version: AnyDesk 2.x or 3.x Modern remote desktop software (AnyDesk
Isolating the Windows 2000 PC from direct WAN / internet access. which does not require formal installation