This is the error I get when I try to install gapps (obtained from here, following these instructions).
I navigated to HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node as instructed in here, but I didn't found any "Android SDK Tools" folder:
which is weird because I do have Android SDK tools installed:
What am I doing wrong?



Adding the key manually in the registry fixed it for me.
Type regedit.exe
Find the following node:
Computer\HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\
Add:
Key: Android SDK Tools
String Value: Path with the Path to your sdk