If it has an error triangle, right-click it, choose , and check the box to delete the driver software.
If you upgraded your RAM, replaced your motherboard, or changed your network adapter, your PC's hardware fingerprint no longer matches the generated .reg license file.
When the software starts, it reads data from your computer’s hardware (such as the motherboard serial number, hard disk ID, or network adapter MAC address) and compares it with the information stored inside the dongle. If they don’t match exactly, you see: If it has an error triangle, right-click it,
Click , select Folder , and designate the root folder path where Autodata 3.45 is hosted on your local hard drive ( C:\Autodata3.45 ).
Because Autodata 3.45 uses legacy Sentinel HASP emulation to simulate physical USB security dongles, modern Windows changes to drivers, updates, or configuration syntax frequently trigger this failure. Below is a structured, comprehensive walkthrough to completely resolve the error on Windows 7, 8, 10, and 11. Direct Root Causes of the Error If they don’t match exactly, you see: Click
Many security programs flag the multikey.sys or sentinel.sys drivers as false positives. Open your antivirus software. Check the or Threat History section.
Remember that Autodata 3.45 is an older version. If you rely on it for daily workshop operations, consider upgrading to Autodata’s latest online subscription. Not only will you eliminate dongle headaches, but you’ll also get up-to-date vehicle data and technical support. Direct Root Causes of the Error Many security
If any adapter is disabled, right-click it and select .
: Some errors are linked to missing or unregistered system files. Open Command Prompt as Administrator and run the following command to register a key component:
Locate the utility tool named (or GetUid.exe if running a legacy 32-bit architecture).
