People have confusion about the "directshow" that it's an application which is wrong. It's an API so it's a library application in DLL which we can use to call the function. There are multiple reasons behind the
direct show error like due to Corrupt download or incomplete installation of DirectShow software. or Virus infection that has corrupted DirectShow-related program files. To fix this error must 1) do a full malware scan of PC. 2) You need to update your PC device drivers. 3) Last but not the least Install all available windows updates.