Thanks for reporting this, will be resolved asap.

Again, FastKeys does not make any registry entries. The entries you see are created by Windows (Recent file list, Cache etc.). Deleting those entries will not solve the issue.

56Loaches, your post is misleading, this can certainly not help. FastKeys does not make any registry entries! We were able to solve the issue with some users by - running FastKeys as administrator - disabling a conflicting process (security software or gaming related processes) - trying with another...

Insert command code macro?

Thanks, we will think about adjusting the limits.

The result of macro recording is pasted into the command field where you can freely edit it.

For example, if you set Window to "Notepad" (a part of Notepad Window name), the shortcut will only work in Notepad.
What have you tried?

There are several possibilities. I suggest you study the following AutoHotkey commands:
https://www.autohotkey.com/docs/commands/WinExist.htm
https://www.autohotkey.com/docs/misc/WinTitle.htm

This is not possible.

There is a setting in Preferences/Auto Complete/Auto Learn to select the learning wordlist. We will allow a free file selection in the next telease.