当在ise中通过jtag下载程序时（本人电脑windows 10 ，64位），出现如下错误：
GUI --- Auto connect to cable...
INFO:iMPACT - Digilent Plugin: Plugin Version: 2.4.4
INFO:iMPACT - Digilent Plugin: no JTAG device was found.
AutoDetecting cable. Please wait.
*** WARNING ***: When port is set to auto detect mode, cable speed is set to default 6 MHz regardless of explicit arguments supplied for setting the baud rates
PROGRESS_START - Starting Operation.
Connecting to cable (Usb Port - USB21).
Checking cable driver.
Source driver files not found.
The Platform Cable USB is not detected. Please connect a cable.If a cable is connected, please disconnect
and reconnect to the usb port, follow the instructions in the 'Found New Hardware Wizard', then retry
the Cable Setup operation.
Cable connection failed.
Connecting to cable (Parallel Port - LPT1).
Checking cable driver.
Your driver installation is not complete. Please re-run your application or run
install_drivers.exe from the ISE installation area as an Administrator to complete the driver installation.
Service using windrvr6.sys : SYSTEM\CurrentControlSet\Services\WinDriver6.
ImagePath = \SystemRoot\system32\drivers\windrvr6.sys.
Start = 3.
ErrorControl = 1.
Type=1.
Cable connection failed.
Connecting to cable (Parallel Port - LPT2).
Checking cable driver.
Your driver installation is not complete. Please re-run your application or run
install_drivers.exe from the ISE installation area as an Administrator to complete the driver installation.
Service using windrvr6.sys : SYSTEM\CurrentControlSet\Services\WinDriver6.
ImagePath = \SystemRoot\system32\drivers\windrvr6.sys.
Start = 3.
ErrorControl = 1.
Type=1.
Cable connection failed.
Connecting to cable (Parallel Port - LPT3).
Checking cable driver.
Your driver installation is not complete. Please re-run your application or run
install_drivers.exe from the ISE installation area as an Administrator to complete the driver installation.
Service using windrvr6.sys : SYSTEM\CurrentControlSet\Services\WinDriver6.
ImagePath = \SystemRoot\system32\drivers\windrvr6.sys.
Start = 3.
ErrorControl = 1.
Type=1.
Cable connection failed.
Connecting to cable (Parallel Port - LPT4).
Checking cable driver.
Your driver installation is not complete. Please re-run your application or run
install_drivers.exe from the ISE installation area as an Administrator to complete the driver installation.
Service using windrvr6.sys : SYSTEM\CurrentControlSet\Services\WinDriver6.
ImagePath = \SystemRoot\system32\drivers\windrvr6.sys.
Start = 3.
ErrorControl = 1.
Type=1.
Cable connection failed.
PROGRESS_END - End Operation.
Elapsed time = 2 sec.
Cable autodetection failed.
WARNING:iMPACT:923 - Can not find cable, check cable setup !