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166166%LOCALAPPDATA%\Claude-3p\claude-code\<version>\<build-id>\claude.exe
167167```
168168
169The helper is Authenticode-signed with publisher `Anthropic, PBC`. For Defender ASR or AppLocker, allowlist by publisher rather than path. Standard installs use `%APPDATA%\Claude\` with the same subpath.
169The helper is Authenticode-signed with publisher `Anthropic, PBC`. Standard installs use `%APPDATA%\Claude\` with the same subpath.
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171For Defender ASR, a Microsoft Defender for Endpoint [certificate indicator](https://learn.microsoft.com/en-us/defender-endpoint/indicator-certificates) matches one certificate, not the publisher name. If you use certificate indicators, you need one for each of the following certificates and another whenever Anthropic renews its signing certificate:
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173* **Issued October 2026**: `60C2D9C51F09822FFF4F194DE9EEDB67451292D1`
174* **Issued October 2025**: `0D7581D2C51C59DF686C3000C70BF543F9F6C6CB`
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176Export the certificates from the signatures on the Claude Desktop installer and the helper your devices run. Check each certificate's SHA-1 thumbprint against the list before you add it.
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178For AppLocker, allowlist by publisher rather than path. Publisher rules match the publisher name, and the listed certificates share the name `Anthropic, PBC`.
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171180## Offline installation
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