BIM Coordinator Program (INT) April 22, 2024

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Installation & update
About program installation and update, hardware, operating systems, setup, etc.

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.)
Loving Archicad since 1995 - Find Archicad Tips at x.com/laszlonagy
AMD Ryzen9 5900X CPU, 64 GB RAM 3600 MHz, Nvidia GTX 1060 6GB, 500 GB NVMe SSD
2x28" (2560x1440), Windows 10 PRO ENG, Ac20-Ac27
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.
Loving Archicad since 1995 - Find Archicad Tips at x.com/laszlonagy
AMD Ryzen9 5900X CPU, 64 GB RAM 3600 MHz, Nvidia GTX 1060 6GB, 500 GB NVMe SSD
2x28" (2560x1440), Windows 10 PRO ENG, Ac20-Ac27
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