think he just wants to know what they do.
Startup repair is used to try to fix boot problems, it scans PC for problems and tries to fix them. I haven't seen it succeed very often.
System restore points are associated with System restore (its in the name).
- System restore points are a copy of the registry and settings at a their time of creation, you can use them in System restore to roll back driver updates that have gone badly.
- can be used to repair errors created when moving windows library folders.
- It also records the system state before a windows update so that you can roll back.
You can't use system restore to roll back a Windows version update as system restore points are wiped when you run a version update.
I...