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Windows 10 / PEP Error C7 Copy
This thread has 3 replies. Displaying all posts.
Post 1 made on Tuesday January 22, 2019 at 06:30
Founding Member
May 2002

I'm sure not to be the only one with this issue.
PEP gives me the error, when trying to download to the TSU:

Communication with the Pronto failed during download. Please check the connection and retry. (Error: C7, Copy)

I use:
TSU9400 (I got 2 of them, same error on both)
Windows 10 on 2 different PCs (same error on both PCs)
PEP 1.1 (indepenent which version, actually I use 1.1, but tested with the other versions as well)

I tested:
different USG ports, USB settings, running PEP as admin, in compatibility mode, etc.

In the past it worked with the same devices and config files.

Looking for help....
Post 2 made on Tuesday January 22, 2019 at 19:51
Lyndel McGee
RC Moderator
August 2001
By chance, have you updated windows to this version or higher? I personally run Win7 and purposely have not put Win10 on my machines.


One solution might be to use a copy of XP and Virtual PC. But I am wondering if the changes to USB HID on Win10 and that version will prevent virtual PC from working.
Lyndel McGee
Philips Pronto Addict/Beta Tester
Post 3 made on Sunday February 3, 2019 at 06:42
Vesa Mäkelä
Founding Member
December 2001
I have this happening occasionally ( I have PEP version 1.1 and Windows 10). I just power off Pronto TSU9400 using its power switch. And the power on. Sometimes I have to do it several times but after that the connection works. Hope this helps.
Post 4 made on Sunday February 24, 2019 at 10:01
Alan D.
Long Time Member
July 2003
Hi, Rainer - Your problem is that Win10 updated the USB interface with Win10 v1709. I have been running Win10x64 v1703 in a VMWare Virtual Machine (VM). Oracle Virtual Box should work, too.

My Win10x64 v1703 VM is almost never connected to the internet - I leave the VM network component disabled. This is crucial, because you don't want your Win10x64 VM to accidentally get automatically updated to a more recent version of Win10 - it will then become useless for Pronto Pro programming and you would need to create a new VM.


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