Can anyone Help?

I just got a new kindle fire, and it was working fine up till a 2 days ago when it suddenly wouldn't connect to my device any longer. I don't know why it did this But its frustrating to say the least. i have tried the tweek, I have tried De bugging it. But nothing seems to work. I am tyring to avoid resting the device. here is the error codes i keep getting. Is there anyone that can help me with this? That would be really sweet.

calibre, version 2.80.0
ERROR: Error: Error communicating with device

Cannot write to file: hr=2147500037 facility=0 error_code=16389 description: Unspecified error


Traceback (most recent call last):
File "site-packages\calibre\gui2\device.py", line 88, in run
File "site-packages\calibre\gui2\device.py", line 511, in _books
File "site-packages\calibre\devices\mtp\driver.py", line 218, in books
File "site-packages\calibre\devices\mtp\driver.py", line 190, in get_driveinfo
File "site-packages\calibre\devices\mtp\driver.py", line 180, in _update_drive_info
File "site-packages\calibre\devices\mtp\driver.py", line 151, in put_calibre_file
File "site-packages\calibre\devices\mtp\windows\driver.py", line 37, in check_thread
File "site-packages\calibre\devices\mtp\windows\driver.py", line 441, in put_file
WPDError: Cannot write to file: hr=2147500037 facility=0 error_code=16389 description: Unspecified error