This is not a difficult job to fix Windows update error 0x80070704. This error is not included in the critical category and anyone can fix this problem if they knew the exact reason behind this update error. As usual, you may have this problem when you try to do the next task.
1. When installing updates in Windows 7/8 / 8.1 / 10 and View.
2. Additionally you may get this error when allocating network printer.
Windows 7: Id. Of event 4098, ‘0x80070704 The specified port is unknown’ when mapping network printers
Reason
There may be dozens of reasons behind 0x80070704 error, but the main reason is a network obstacle. 95% times, network problem creates this problem. When Windows Updates or the Network Printer Cannot Communicate with the Server, will throw an error 0x80070704. If you are lucky, can fix it at once; opposite case, you will have to take a few more steps to clear this problem.
SOLUTION
Method 1: fix with advanced system repair tool
The most common reason behind Windows update failed is corrupted or damaged system files like dll files, exe files, sys files, etc. There are hundreds of small system files that work for specific tasks. If one of the files is replaced, removes or damages, it is feasible that you get Windows update error 0x80070704.
Download and install the advanced system repair tool and scan your PC. It has a large database with 25 million files. It will find all corrupted or deleted system files and reinstall them with a new one. Later, optimizing with advanced system repair tool, try installing the windows update again.
Method 2: fix network problem
Each operating system has a different set of menus, so here I have added the popular version of Windows.
Windows 7
Paso 1: The right button of the mouse on Network icon in the notification area and click Fix problems problems.
Paso 2: Follow the troubleshooting wizard and wait for it to finish.
Paso 3: After the troubleshooting operation is complete, try to update the installation again.
Windows 8 / 8.1
Paso 1: press Windows key and search Network problems and then select Identify and repair network problems
Paso 2: Follow the wizard and complete the diagnosis
Paso 3: Now try to update again.
Windows 10
In Windows 10, the procedure is different from other Windows operating systems.
Paso 1: Descarga Windows Update TroubleShooter.
Download the Windows update troubleshooter 10
Paso 2: Now go to the downloaded folder and find the file. It is likely to be wu.diagcab proceedings.
Paso 3: Double click on the file and start Windows Troubleshooter.
Paso 4: Follow the steps and reinstall the Windows update.
What if it doesn't help you?
What if the above method does not help you? Most of the time, or honestly speaking, Windows troubleshooter crashes when you need it most. I do not know how, but smell your need.
Let's get to the point, if the troubleshooter fails, means there are some critical issues on your PC, like the existence of viruses and missing system files, as dll, exe, sys, inf, ocx, vxd, etc in this situation, you must use advanced system repair tool. to fix internal Windows problems, later try to update Windows or connect printers. You will not get Windows update error 0x80070704.
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