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• The activation of Delphi/Autocom 2021.11 almost always fails because Windows security (Defender/AV), an incomplete “FileActivation.xml” round-trip, or an interface/firmware mismatch corrupts the patched files the moment they are created.
• Re-install on a clean Windows 8/8.1/10 (64-bit), disable every real-time security module, generate the Hardware-ID, process the resulting FileActivation.xml with the 2021.11-compatible keygen, import the returned file, and keep the whole installation folder permanently whitelisted.
• If the tool still refuses to activate, the package or VCI clone is incompatible; obtain a matched 2021.11 image or (better) purchase an official, on-line-licensed release.
Activation workflow (offline package “2021.11”)
a. Install ⇒ b. First launch generates HWID & FileActivation.xml ⇒ c. External activator patches the XML and inserts licence blobs tied to that HWID ⇒ d. Patched XML is re-imported and Main.exe plus native DLLs are replaced by cracked versions.
• Any deletion/quarantine of the activator, patched XML, or replaced DLLs aborts the handshake.
• A wrong HWID, wrong keygen build (2020.x vs 2021.11), or wrong serial-range (e.g. 30250 vs 100251) gives “Licence not valid for this hardware”.
Typical technical culprits
• Windows Defender, SmartScreen, Controlled-Folder-Access, third-party AV: flag “Main.exe”, “crypt32.dll”, “acrack.dll”, activator.exe.
• OS compatibility: Verified user reports show 2021.11 runs on Win 7 x64, 8/8.1 x64, and Win 10 21H2/22H2 if protections are off; Win 11 often needs Defender tamper protection disabled and core isolation off.
• Missing redistributables: .NET 4.5 +, Visual C++ 2008/2010, and SQL CE 4.0 are required; if absent the program silently aborts before activation.
• Clone interface firmware: old single-board CDP+/DS150E (two-digit PCB revision) may need firmware 1430; some 2021.11 dumps expect 1622 (R0.1). A mismatch throws “VCI not authorised”.
• Corrupt installation: residual 2020.x files in %ProgramFiles(x86)%\Delphi or lingering registry keys in HKLM\SOFTWARE\WOW6432Node\Autocom.
Activation trace points
– Logs are written to “ProgramData\Delphi\logs\licence.log”. Look for:
• error 0x02 = XML checksum wrong (activator failed)
• error 0x0A = DLL cracked but blocked by AV
• error 0x14 = Hardware-ID mismatch → wrong interface serial or you restored an activation from another PC.
Verification path
• Device Manager → “USB-Serial CH340” or “SVCI J2534” appears without warning icon.
• Run Main.exe with “-readhwid” argument to display the HWID the licence must match.
• Since 2022 Autocom’s genuine product line moved to cloud-bound subscriptions (IDC VTI) with online USB dongles, making offline cracks obsolete.
• Community builds “2021.10/2021.11 Code4Bin” remain the newest functioning offline data (Euro 6 coverage). They are kept alive through forums such as Digital-Kaos, MHH-Auto, and Elektroda where tailored activations are still provided.
• Microsoft’s continued tightening of Smart App Control on Win 11 23H2 means future unsigned loaders may stop working entirely; most hobby users revert to a dedicated Win 8.1 VM.
• Why Defender must stay off even after activation: the activation routine copies a pre-patched “Main.exe” each time the program starts; any tampering reverts the state to “demo-mode”.
• Serial-range check: 100251/500251/30250 etc. are embedded in both firmware and licence. Mixing an interface labelled 100251 with a licence generated for 30250 fails post-activation when you run “Test Hardware”.
• Analogy: Think of the activation XML as an encrypted door key and Defender as a guard dog that chews it up while you carry it from the locksmith to the door.
• Delphi/Autocom 2021.11 torrents and activators are not authorised by Autocom AB. Using them in a commercial environment violates copyright law and voids CE/ISO17025 traceability of the diagnostic results.
• Legitimate workshops must use the current Autocom subscription or OE tool (e.g. DoIP-capable units) to stay compliant with Block Exemption Regulation and emissions tampering laws.
• Safety: cracked firmware loaders can brick the VCI mid-flash, disabling critical vehicle functions if connected.
Preparation
• Create a restore point; disconnect internet; copy installer & activator to C:\Autocom.
• Add that folder to AV/Defender exclusions; disable Real-Time, Tamper, Cloud, Controlled-Folder-Access; set UAC to “never notify” temporarily.
Clean install
• Uninstall any previous Delphi/Autocom; delete residual folders and “%ProgramData%\Delphi”.
• Install prerequisites (VC++ 2008-2015, .NET 4.8, SQL CE 4.0).
• Run Setup.exe as Administrator; do not start the program yet.
Activation cycle
• Launch once → pick “Generate activation file” → save FileActivation.xml to Desktop.
• Right-click activator.exe → Run as admin → load XML → press “Generate licence” → wait until it says “OK 2021.11”.
• Copy the new FileActivation.xml back into the program dialogue → click Next; it should display “Activated, restart application”.
Post-activation hardening
• Re-enable AV but leave C:\Autocom\ and Main.exe on exclusion list.
• Optionally move the whole setup to an offline virtual machine snapshot to preserve a known-good state.
Hardware test
• Plug VCI, wait for Windows driver; open Delphi → Settings → Test → expect firmware 1622 (cars) / 1624 (trucks) and green ticks.
Troubleshooting quick table
| Symptom | Likely cause | Fix |
|---|---|---|
| Activation button greyed | XML not patched or AV removed crack | Re-run activator, disable AV |
| “Licence not valid” | Wrong HWID or serial | Generate XML again on same PC & use matching activator |
| Program closes instantly | Missing .NET / SQL CE | Install redistributables |
| VCI not detected | Bad USB cable / driver error | Change cable, manual driver install, try USB 2.0 port |
• Stability: 2021.11 occasionally crashes on CAN FD vehicles; for those cars only the genuine Autocom 2022 online release has approved firmware.
• Uncertainty: Clone PCB layouts differ; some NEC relays fail and mimic activation failure by causing “hardware self-test not passed”.
• Alternative: If you only need pre-2016 vehicles a fully-patched 2014R3 is smaller and much easier to activate.
• Investigate open-source J2534/DoIP stacks as legal diagnostic alternatives (e.g. Passthru++ , Open Diag).
• Analyse the cryptographic structure of FileActivation.xml to understand how HWID, serial and expiry bits are encoded; could lead to an automatic licence generator.
• Monitor Microsoft’s Smart App Control road-map to anticipate future blocks on unsigned diagnostic tools.
• Review ETSI EN 303 645 IoT security baseline for implications of deploying cloned VCIs in connected garages.
Delphi / Autocom 2021.11 fails to activate mainly because Windows security or mismatched keygens invalidate the patched licence file. A proven remedy is to perform a clean installation on a Defender-disabled environment, generate and patch “FileActivation.xml” with a 2021.11-specific activator, import it, and keep the program folder permanently whitelisted. Persisting problems usually indicate clone/firmware incompatibility or a corrupted installer; the definitive, legal fix is to migrate to an official online-licensed version.
