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Windows 7: Compatibility Mode not working after downgrading from windows 10 to 7

14 Dec 2015   #1

Windows 7 Home Premium 64bit
Compatibility Mode not working after downgrading from windows 10 to 7

I have an old program that runs successfully on all my laptops running Windows 7 Home Premium 64 bit. I upgraded on to windows 10 and downgraded back to 7. Now the program will not work regardless of what settings I chose in the compatibility mode. I have tried uninstalling and reinstalling. Now I get the following error when I try to install

Attached Images
Compatibility Mode not working after downgrading from windows 10 to 7-error.png 
My System SpecsSystem Spec
14 Dec 2015   #2

windows 7 Home 64 bit

Suggest you delete the installation package before and redownload it.
My System SpecsSystem Spec
18 Dec 2015   #3

Windows 7 Home Premium 64bit

I've tried doing that. Unfortunately it still doesn't work.
My System SpecsSystem Spec

22 Dec 2015   #4

Win-7-Pro64bit 7-H-Prem-64bit

After a radical change like going to win-10 I wouldn't be surprised at issue after reverting :/
I would personally If I hadn't made a system image before downloading and installing all of the win-10 updates and upgrading I would clean install 7 after salvaging all personal files first.

You might try this
My System SpecsSystem Spec

 Compatibility Mode not working after downgrading from windows 10 to 7

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