See my post on:
http://www.picotech.com/support/topic6939.html
that should be the problem.

Regards.

The installation of any package from v. 6.4.64 does not complete for my PS2205 oscilloscope. It fails near the end without any error message. I logged the whole installation messages into a file and I discovered that the package fails into the following custom action: PicoCustomAction: Calling DPIns...