This is the most effective fix. You will need the original license file that came with your dongle (usually a .lic file emailed to you at purchase).
If you have the license file:
If you do NOT have the license file: Contact your Autodata reseller. They can generate a new license file for your specific dongle serial number. Without it, you cannot fix Error 345 yourself.
Before you panic and buy a new dongle, try these solutions in order. Do not format your PC or reinstall Windows until you have tried steps 3 and 4.
To understand the error, you need to know how Autodata 345 validates your license.
…the software detects a mismatch between the stored computer ID and the dongle ID, triggering Error 345: The hardware information does not match with your dongle.
Autodata 3.45 is a legacy diagnostic and repair information software widely used in the automotive industry. It relies on a Hardware Abstraction Layer (HASL) to verify licenses.
The error message indicates that the driver responsible for the dongle is either missing, outdated, or blocked by the operating system, causing a mismatch between what the software expects to find and what the system presents. This is the most effective fix
Let’s break down why this happens in real-world workshop scenarios.
| Cause | Description | |-------|-------------| | Motherboard replacement | The most common trigger. A new motherboard = new hardware ID. | | Fresh Windows installation | Erases the original license configuration files. | | Switching PCs | You moved the USB dongle from Workshop PC #1 to #2. | | BIOS/UEFI update | Sometimes changes the DMI/SMBIOS data that Autodata reads. | | Using a VM (Virtual Machine) | Autodata 345 detects virtualized hardware and rejects it without special configuration. | | Corrupted Sentinel HASP driver | Driver mismatch or corruption prevents correct reading of dongle ID. | | Cloned/cracked dongle | Unofficial dongles often have mismatched internal data vs. license file. |
Critical note: If you purchased a second-hand Autodata 345 dongle online (eBay, Facebook marketplace), there is a high probability that the dongle is already paired to another computer. The seller did not reset the license. In this case, the error is almost guaranteed.
Immediate action: Reinstall Sentinel HASP drivers and test dongle on another PC.
If persists: Contact AutoData technical support with dongle ID (visible in their diagnostic tool) to request a hardware reset or license migration.
Autodata 3.45 uses a security system designed to prevent unauthorized copying. The software looks for a specific hardware ID (HID) and a matching license key. When you see this error, the software has detected that: The Dongle ID does not match the license file.
The Hardware Environment has changed (e.g., new motherboard or CPU). The Emulator Drivers are blocked by Windows security. The USB Port is not recognizing the physical key. Top Solutions to Fix the Mismatch 1. Check the Sentinel Driver
Most Autodata 3.45 installations rely on Sentinel HASP drivers. If these drivers are outdated or corrupted, the "Hardware Information" cannot be read. Open Device Manager. Look for Universal Serial Bus controllers. If you do NOT have the license file:
Ensure Sentinel HASP Key and Sentinel USB Key are listed without yellow warning icons.
If missing, download and reinstall the latest Sentinel HASP LDK Runtime. 2. Run the "GetID" Tool
If you are using an authorized version with a license generator, the software needs your specific hardware footprint. Navigate to your Autodata installation folder. Find a tool usually named GetID.exe or License86.exe. Run it as Administrator.
This tool will generate a new "Hardware Code." If this code differs from the one used to create your current license file (.reg or .lic), the software will fail to launch. 3. Disable Windows Defender and Antivirus
Modern security suites often flag the dongle emulator or the license crack as a "Trojan" or "Riskware." Temporarily disable Real-time protection.
Add the Autodata installation folder to your Exclusion List.
Re-install the emulator or re-run the license registration file. 4. Adjust System Date and Time …the software detects a mismatch between the stored
Autodata 3.45 is an older release. Sometimes, the license file has a hardcoded expiration date or is sensitive to system time. Ensure your Windows time is synchronized.
In some cases, users find success by setting their system date back to 2014 or 2017, though this is a temporary workaround that can affect web browsing. Technical Environment Compatibility Operating System Compatibility Level Windows XP / 7 Best stability for 3.45. Windows 10 Requires "Run in Compatibility Mode." Windows 11 Driver signature enforcement often blocks dongles. How to Prevent Future Errors
Avoid Registry Cleaners: These often delete the license paths used by Autodata.
Static Hardware: Avoid changing your BIOS settings or replacing internal hardware while the software is active.
Use a Virtual Machine: Many professionals run Autodata 3.45 on a Windows 7 Virtual Machine (VMware) to isolate the hardware environment and prevent Windows 10/11 updates from breaking the drivers.
If you'd like to dive deeper into the technical side, let me know: Are you using a physical USB dongle or a software emulator? Which version of Windows are you currently running?
Did this happen after a recent update or a new installation?
I can provide specific driver links or registry paths depending on your setup.