0x80240029 and 0xC004F034: an unlicensed product stops the update search
0x80240029 means the update search found an unlicensed application on the system. Check what is actually unlicensed before you buy a Windows key.
Office 0xC004F038: your KMS count is below the minimum of five clients
Error 0xC004F038 means the KMS host has fewer than the five Office clients it needs. Here is why the threshold exists and how to get activated.
0xC004F042: The KMS Host You Reached Cannot Activate This Product
0xC004F042 means the KMS host you reached cannot activate this product. Check which host answered before assuming you need a new host key.