1, Run Wise PC 1stAid, click the last icon "Running speed of PC is too slow". It will reset the configuration of your PC to the initial state (it will disable all third-party services and startup programs, just run device drivers). but none of your files will be affected.
2, Reboot system. check whether the system is running good.
If the system is freezing again, turn to step 3.
If the system is running good, turn to step 4.
3, Update all drivers to the latest.
Right click drive C: ------Tools----Error-checking----Check now...-----selected both two items, click Start to run it.
4, Reinstall all programs which cannot run .