I get the following error:
Cant delete the existing backup file C:\Program Files (x86)\CodeWright
Even though there is no backup file in that directory.
Codewright 7.0 was released around the time Windows Vista was released. Windows Vista brought one major security change that Windows XP did not have and that was the User Account Control (UAC). With this change Windows protects particularly important directories like Program Files. Windows 8 further increase this security, a great deal of software that used to work in compatibility mode on Windows 7, ceased to work due to the changes introduced by Windows 8+.
In your case since you are running Windows 10, by default an unelevated user, does not have the permissions required to create a backup of the programs configuration file. Creating files in the Program Files directory was common in earlier versions of Windows, in later versions due to the UAC, these files are created in other locations.
Since you are running Windows 10, the solution to your problem, is to simply run the application with elevated permissions. This will allow the backup configuration file to be created and then modified when the application closes.
C:\Program Files (x86)\CodeWright\cwright.ini
and name itC:\Program Files (x86)\CodeWright\cwright.bak
and just eliminate any perrmission issue launch the application as an Administrator. With it being from 2008 I suspect it has a problem with the new security model introduced in Windows Vista.