Both systems where working fine before I installed the driver for the Arduino Uno Rev3.
After I installed the Arduino UNO Rev3 driver there is new COM port 3 available for the Arduino and the communication with it works fine.
But now the follwing happens:
1. When I put the PC in sleep mode it never wakes up, it hangs.
2. When I shutdown the PC this takes a long time, the screen finally goes to black, but it never fully shutsdown, it hangs.
Windows also creates a minidump where it refers to an USB device.
Is this enough information or do you need the minidumps?