| Symptom | Possible Cause & Solution | | :--- | :--- | | | The file may be in a different format. If you cannot find a setup.exe or install.exe on the CD, the installer may be a different file type. Contact your vendor for guidance. | | "Cannot find encryption lock" Error | This error occurs when the software cannot detect the USB key (dongle) or its drivers. Ensure the USB key is properly inserted. You may also need to install or reinstall the specific drivers (e.g., "Rockey4 Driver") for this dongle from your installation media. | | Antivirus Flagging the Software | This is common due to how the software interacts with system files. It is often a false positive. Disable your antivirus just for the installation and re-enable it after. | | Software Won't Run on Windows 10/11 | Older versions of the software were designed for Windows 7, 8, or even XP and may not be compatible. Try running the program in Compatibility Mode : Right-click the program's icon > Properties > Compatibility tab > select "Run this program in compatibility mode for" an older version of Windows. |
: 8 GB RAM (16 GB recommended), 1 GB free disk space, and a USB 2.0 port for the device and encryption key. Microsoft Learn Installation Guide Preparation Disable antivirus software
Uninstallation Windows:
Prepare your environment to avoid conflicts.
The software will detect the security key and open the main user dashboard. Troubleshooting Common Installation Errors | Symptom | Possible Cause & Solution |
Some users report that after installation, the interface is not in English.
[Computer] <---> [USB Security Dongle] (Must be plugged in) | [USB Cable] <---> [QRMA Machine] <---> [Hand Sensor Grip] Plug the into an open USB port.
Finding the correct version of the software is critical. Different device generations (e.g., 3G, 4G, 8G, or 2026 upgrades) require specific software builds. Source 1: Official Manufacturer Websites
Most QMRA devices come with a CD, but modern PCs often lack a disc drive. You can find official or compatible software downloads through these channels: Manufacturer Websites | | "Cannot find encryption lock" Error |
Software for these devices is usually provided on a CD or USB drive included with the hardware. If you do not have physical media, you can find downloads through the following sources: Manufacturer Website
Finding the correct download link can be challenging because many manufacturers distribute software on physical CDs. If your computer lacks a CD drive, follow these steps to find a safe digital download:
: Open your Windows Device Manager. Look for a yellow warning triangle next to the USB serial device. Right-click it, select Update Driver , and guide the search to the "Drivers" folder inside your extracted download package. 7. Best Practices for Software Maintenance
If you purchased from a verified manufacturer (e.g., Maitreya, KangerTech, or a certified Chinese OEM), request the latest software download link directly from your supplier. | | Antivirus Flagging the Software | This
Once you have the installer file, follow these steps carefully:
A legitimate package should contain:
Contact & Support
: Disable your antivirus software temporarily, as some security programs may flag the driver or installation file as a "Potentially Unwanted Product" (PUP). Run Installer : Locate the file (sometimes named Electret.exe ) and run it as an Administrator Follow Prompts