⚠️ — they often bundle malware or outdated files.
You can use a to safely fetch the driver without hunting manually:
Click , navigate to the folder where you unzipped your downloaded Elrasoft drivers (usually containing files like uuprog.inf and uuprog.sys ), and click Next . elrasoft upausb driver download upd
Does the device show in as an "Unknown Device"?
If you are installing older V1.3 drivers on modern Windows 10 or 11 systems, you may need to temporarily disable Driver Signature Enforcement: ⚠️ — they often bundle malware or outdated files
Locate the device marked with a yellow exclamation point (usually listed under as "UPA-USB" or "Unknown Device"). Right-click the device and select Update driver . Choose Browse my computer for drivers .
: Ensure your driver version matches either the older UUSP tool or the newer UPA-USB Serial Programmer-S hardware. If you are installing older V1
64‑bit versions of Windows require all kernel‑mode drivers to be digitally signed. Elrasoft’s driver is signed, but older Windows versions (especially Windows 7) may still block it. Use the method described in step 9 of the installation guide.
Locate the device. It will likely appear under Other Devices with a yellow exclamation mark, labeled as or UUProg . Right-click the device and select Update driver . Choose Browse my computer for drivers .
If you work in the field of hardware programming, BIOS recovery, or EEPROM flashing, you have likely encountered the programmer. This compact, powerful device is a favorite among professionals for reading and writing a vast array of memory chips (EEPROM, SPI Flash, Microcontroller, etc.).
Open your web browser and navigate to the official Elrasoft website.