Your Xorg log is showing that 'Microsoft Microsoft® 2.4GHz Transceiver
v8.0' is being added and removed a lot. If that's not true and you are
leaving the USB receiver plugged in, then this will be either a kernel
bug or a hardware problem.
Please try using a regular wired USB mouse and tell us if
Thanks for taking the time to report this bug and helping to make Ubuntu
better. We appreciate the difficulties you are facing, but this appears
to be a "regular" (non-security) bug. I have unmarked it as a security
issue since this bug does not show evidence of allowing attackers to
cross privile