1. uninstall the old ukey driver: open the control panel, select programs and functions (or uninstall programs), find the previously installed ukey driver, right-click to uninstall, and follow the prompts to complete the uninstallation process.
2. Download the latest ukey driver: Open ukey manufacturer official website, find the latest driver download link of your ukey model, and click Download to save it locally.
3. Install a new ukey driver: Close all open applications, double-click the downloaded driver installation file, and follow the prompts to complete the installation process.
4. Insert ukey: Insert ukey into the USB interface of the computer and wait for the operating system to detect ukey and load the driver.
5. Verify whether the signature control is loaded successfully: open the application that needs to use the signature control and verify whether the signature control is loaded successfully. If the loading fails, please contact the technical support of the ukey manufacturer for further assistance.
I hope the above steps can help you solve the problem that the signature control failed to load.