8024402F windows updates error Windows 7 ?

Error 0x8024402F means WU_E_PT_ECP_SUCCEEDED_WITH_ERRORS:

// MessageId: WU_E_PT_ECP_SUCCEEDED_WITH_ERRORS
//
// MessageText:
//
// Exteal cab file processing completed with some errors.
// #define WU_E_PT_ECP_SUCCEEDED_WITH_ERRORS _HRESULT_TYPEDEF_(0x8024402FL)

Stop the Windows Update service, delete the content of the folder C:WindowsSoftwareDistributionDownload. Also exclude this folder from your Anti Virus suite.

Now try again to run Windows Update.