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How to fix Apisetschema.dll is missing in Windows 7

The Apisetschema.dll is missing from your computer error message popped-up immediately I downgraded from Windows 10 to Windows 7 64 bit.  But my computer was still downloading Windows 10 updates without authorizing them, and I had no other option than to install the updates over Windows 7. This resulted in getting a lot of errors from the system, while its performance also became slow. This made me reinstall Windows 7 64 bit but it started giving the Apisetschema.dll is missing from your computer error message, and this was coming up anytime I try to launch specific programs or games.


Something could have possibly gone wrong during the downgrading process which I have not been to solve. Almost half of my applications and games are no longer launching because of the “Apisetschema.dll is missing from your computer” error message which I didn’t encounter before the upgrade to Windows 10 and the downgrading back Windows 7 64 bit.

I surf the internet with the hope of getting the solution on Google as well as other various fixing guides and methods through different online forums but all to no avail until I was able to find a way around it finally and it worked.

To stop and fix the Apisetschema.dll is missing from your computer error message on your Windows 7 64 bit, download and install the Apisetschema.dll file from here:  It is easy to install; copy and paste the file into your system library. You can locate the detailed installation guide at the downloading page.

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