New
#11
Other software and services have been updated.
If you use the flash drives for backup, then you don't need U3.
Are you familiar with Sysinternals? There's quite a learning curve, but yes you might pinpoint the issue.
What has been offered is fairly simple to test - that's where you'll get convincing information. But these are your decisions. Hope you find a solution, that's all I can think of right now.