Wilcom EmbroideryStudio e1.5 , the USB dongle is a critical security device (HASP key) required to license and run the software. Without this physical hardware key, the software will not function, as it serves as proof of a legitimate purchase and prevents unauthorized use. Key Information for e1.5 Dongles

Newer versions of Windows enforce driver signing. The older E1.5 drivers may not be properly signed.

. During installation, you must attach both the old (e1.5) and new dongles simultaneously to transfer your license details. Replacement Policy:

If you can’t get a replacement and have no backup, you unfortunately must purchase a new license of a current Wilcom version (e.g., Wilcom Embroidery Studio e6.0) which will come with a new USB dongle (now often blue or green, using Sentinel LDK technology).