This is not a tough job to fix windows update error 0x80070704. This error doesn’t come under critical category and anyone can resolve this problem if they would know the exact reason behind this update error. Usually, you may get this trouble when you try to do following task.
1. When Installing Updates in Windows 7/8/8.1/10 and Vista.
2. You may get also this error when you map network printer.
There may be dozens of reasons behind 0x80070704 error but the topmost reason is Network Issue. 95% times, the network problem creates this problem. When your windows updates or network printer unable to communicate with the server, they will throw 0x80070704 error. If you are lucky, you can fix it one go otherwise you have to perform some more steps in removing this problem.
Method 1: Fix using Advanced System Repair Tool
The most of the common reason behind windows update failed is corrupted or damaged system files like dll files, exe files, sys files etc. There are thousands of tiny system files are there that work specific task. If one of the files gets replaced, deleted or damaged then you may get windows update error 0x80070704.
Download and Install Advanced System Repair Tool and scan your PC. It has a large database with 25 millions of files. It will find all the damaged or deleted system files and reinstall them with a fresh one. After, optimizing with Advanced System Repair Tool, try to install windows update again.
Method 2: Fix Network Issue
Each OS has a different set of menu, so here I have added the popular version of windows.
Step 1: Right click on Network Icon in notification area and click Troubleshoot problems.
Step 2: Follow the Troubleshoot wizard and wait for the finish.
Step 3: Once troubleshoot operation finishes try to update install again.
Step 1: Press Windows Key and Search for Network Problems and then select Identify and Repair Network Problems
Step 2: Follow the wizard and complete the diagnosis
Step 3: Now try to update again.
In windows 10, the process is different than other Windows OS.
Step 1: Download Windows Update TroubleShooter.
Step 2: Now go to downloaded folder and find for file. It is likely to be wu.diagcab file.
Step 3: Double click the file and start Windows Troubleshooter.
Step 4: Follow the steps and Install windows update again.
What if It doesn’t help you?
What if the above method doesn’t help you? Most of the time or honestly speaking the Windows Troubleshooter gets failed when you need it most. I don’t know how but it can smell your necessity.
Come to the point, if troubleshooter gets failed it means there are some critical problems in your PC like virus existence and system files missing like dll, exe, sys, inf, ocx, vxd etc. In this situation you must use Advanced System Repair Tool to fix windows internal problems then try to update windows or connect printers. You will not get Windows Update Error 0x80070704.
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