windows server 2012 update not installing/i cannot install new roles/AD not working properly

Job ID: 34337891

Budget: $30 – $250 USD

For this past month my Windows update has not been downloading and installing the new updates. it is stuck on update has not be downloading. I tried all the things online to try to make it work such as DISM.
i tried DISM etc.. and sfc /scannow so please do not give me that suggestion.
i tried a few other stuff as well. This freelancer must only use things downloaded from microsoft website to fix issue. Please only experienced in Windows server freelancers only.