I have also faced this issue. while working on the pc suddenly system shows a message Program not Responding or freezes for sometimes. Then I visit Program not Responding Error This issue occurs due to having corrupt files, malware or Spyware or running of more than one software on the system.
Posts made by cooltech
cannot repair or remove corrupt filesOpera for Windows
RE: Upgrading from Window 7 to Windows 10Opera for Windows
Windows 10 has new features which are not available in the windows 7. when I upgrade windows 7 to 10 my messages is as usual as before. But when I install Windows Defender to the system an error code 0X800704EC occurs. Then my friend suggests me to visit Windows Defender Not Responding https://notresponding.net/windows-defender-error-code-0x800704ec/ The provide guideline helps me a lot to solve the issues.