calibre does not detect kindle e-reader

I have used calibre for years with no problem detecting my kindle. All of a sudden I went on and it does not detect my device. I went to preference>
miscellaneous >debug device and got this message:

calibre 4.23 embedded-python: True is64bit: False
Windows-10-10.0.18362-SP0 Windows ('32bit', 'WindowsPE')
32bit process running on 64bit windows
('Windows', '10', '10.0.18362')
Python 2.7.16+
Windows: ('10', '10.0.18362', 'SP0', u'Multiprocessor Free')
Interface language: None
Successfully initialized third party plugins: DeDRM (6, 3, 4)
USB devices on system:
(USBDevice(vendor_id=None product_id=None bcd=None devid=usb\root_hub30&vid8086&pid9d2f&rev0021 devinst=1),
USBDevice(vendor_id=0x2a94 product_id=0x5241 bcd=0x200 devid=usb\vid_2a94&pid_5241&rev_0200 devinst=2),
USBDevice(vendor_id=0x8087 product_id=0x7dc bcd=0x1 devid=usb\vid_8087&pid_07dc&rev_0001 devinst=3),
USBDevice(vendor_id=0x2a94 product_id=0x5241 bcd=0x200 devid=usb\vid_2a94&pid_5241&rev_0200&mi_00 devinst=4),
USBDevice(vendor_id=0x2a94 product_id=0x5241 bcd=0x200 devid=usb\vid_2a94&pid_5241&rev_0200&mi_01 devinst=5),
USBDevice(vendor_id=0x8086 product_id=0xa66 bcd=0x2780 devid=usb\vid_8086&pid_0a66&rev_2780&mi_04 devinst=6),
USBDevice(vendor_id=0x8086 product_id=0xa66 bcd=0x2780 devid=usb\vid_8086&pid_0a66&rev_2780&mi_02 devinst=7),
USBDevice(vendor_id=0x8086 product_id=0xa66 bcd=0x2780 devid=usb\vid_8086&pid_0a66&rev_2780&mi_00 devinst=8),
USBDevice(vendor_id=0xbda product_id=0x129 bcd=0x3960 devid=usb\vid_0bda&pid_0129&rev_3960 devinst=9),
USBDevice(vendor_id=0x8086 product_id=0xa66 bcd=0x2780 devid=usb\vid_8086&pid_0a66&rev_2780 devinst=10))

No disabled plugins
Looking for devices of type: MTP_DEVICE
The Windows WPD service says there are no portable devices connected

Looking for devices of type: SMART_DEVICE_APP
All IP addresses {u'{CB961A99-F577-40C3-8EF9-B429BE8C416D}': [{'addr': u'192.168.1.6', 'broadcast': u'192.168.1.255', 'netmask': u'255.255.255.0'}], u'{C2D89587-E4FF-11E7-85F5-806E6F6E6963}': [{'addr': u'127.0.0.1', 'broadcast': u'127.255.255.255', 'netmask': u'255.0.0.0'}]}
No device is connected

Looking for devices...

Devices possibly connected: None


What can I do?? astein506@gmail.com