Advanced System Care is a tweaking program with a questionable Reg cleaner.
Windows 7 is already too lean to need any tweaking whatsoever beyond normal system settings - it will always
come back to bite you.
See if you can reverse the tweaks done already, then uninstall it with Revo in Advanced mode: How To Use Revo Uninstaller To Completely Uninstall Programs
I think the Network Magic software is also not needed once you install your router. Do you have paid Malwarebytes standing shield or is that it's updater only (never allow any updaters in Startup list as they spy on you).
The only startup programs I run are AV and gadgets.
Beyond that, here are tips for cleaning up a factory preinstall: HP laptop has used up all four primary partitions
And here a troubleshooting fundamentals for Windows 7 to trace any performance issues: Computer lags every couple seconds