Troubleshoot Windows installation error

Last validated: Feb 18, 2026

The Tailscale client installer requires the following Windows system services to be running:

• Dnscache
• iphlpsvc
• netprofm
• WinHttpAutoProxySvc

If the installer does not detect that these services are running, it will automatically fail. For official Microsoft guidance on disabling system services, refer to Guidance on disabling system services on Windows Server 2016 with Desktop Experience.

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