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Setup & License forum

AC20 on Windows 7

Anonymous
Not applicable
Hi All,

Can AC20 run on Windows 7?
I got an error message: "error missing QTCF.dll"
It is said, it come from the latest Quicktime, but that one cannot be installed on windows 7.

Any sugesstion please?
Thank you.
3 REPLIES 3

Laszlo Nagy
Community Admin
Community Admin
Yes, I am running ARCHICAD 20 on Windows. GRAPHISOFT states Windows 7 is compatible with it (but not tested on it):

http://www.graphisoft.com/support/system_requirements/AC20/

As far as I know AC18 an newer version do not use QuickTime at all, so it is strange error message:

http://helpcenter.graphisoft.com/technotes/setup/quick-time/

You can try installing QuickTime and see if that makes any difference.
(I have QuickTime installed in my Windows 7 system so I can run AC17 or older in case I need to.)
....................................................................................................
Get Archicad Tips at https://twitter.com/laszlonagy
AMD Ryzen 1700X CPU, 48 GB RAM, Nvidia GTX 1060 6GB, 500 GB NVMe SSD
2x28" (2560x1440), WIN10 PRO ENG, AC20-AC26
Loving Archicad since 1995

Anonymous
Not applicable
Thank you Lazlo,

Installing the latest QuickTime didn't help.
Finally, I seek for the specific .dll on the web:
https://www.dll-files.com/qtcf.dll.html

and then I just put it on the C:\Windows\System32\

The installation went well to the end.

Laszlo Nagy
Community Admin
Community Admin
Glad you got it working.
....................................................................................................
Get Archicad Tips at https://twitter.com/laszlonagy
AMD Ryzen 1700X CPU, 48 GB RAM, Nvidia GTX 1060 6GB, 500 GB NVMe SSD
2x28" (2560x1440), WIN10 PRO ENG, AC20-AC26
Loving Archicad since 1995

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