errors 1722 and 1603.

Every time I try to install FSX it goes to end of installing the it pops up Errors 1722 and 1603, I have tried to reset the windows installer but to no good. can anybody help me please.
Wins 10 pro
22H2

Re-register the Windows Installer Service, Troubleshooter and Enable Windows Script Hosting could perhaps help.

FSX Error 1722: Use These 5 Methods to Enable FSX

Hard to know if you already tried...some extra here.
7 Ways to Fix the Error 1722 (Windows Installer Package Error) in Windows 10

Have done all that been mentioned but none worked so have now gone and done a clean reset, without installing the FSX so now I am giving up my flight hobby. thanks for trying.