Installing unsigned drivers from obscure sources is dangerous. Windows XP is no longer patched against exploits like EternalBlue (used by WannaCry). If this PC is connected to the internet, even briefly:
Follow these steps to ensure the Windows XP operating system recognizes the adapter correctly without driver conflicts. Step 2.1: Install the Primary Siemens Software First pc adapter usb a2 driver windows xp
Right-click on your desktop or Start Menu and select Properties . Step 2
If you have trouble finding the specific driver file, I can help you search for the latest version. Look for a guide on for the adapter. Download Driver for PC Adaptor USB A2 . - Siemens SiePortal Download Driver for PC Adaptor USB A2
Scroll down to the or Universal Serial Bus controllers section.
Once your driver works, create an image backup of your hard drive using clone tools. If the operating system fails, restoring the image saves hours of tracking down legacy drivers.
first. If you aren't running as admin, the install will often hang or fail at this stage. Restart & Plug In: Restart your PC
