Under Windows 95 device manager, there are two exclamation marks. One is for USB driver, one is for bus master driver. To install these drivers: 1. Download the file usbsup.exe and run this file. This is for USB driver. ** This driver can only be used in Win95 OSR2 (ver 950B). After installing this driver, remove the USB from the device manager and reboot. The system will detect the correct driver. When it ask for the file location, type in c:\windows\system. 2. Download the txwin951.exe and run this file. This is for the bus master driver. ** Please make sure you select the proper version of Win95 when installing this bus master driver.