How to Fix Windows Update Error 80070490 Download Repair Tool

What Causes Update Error 80070490?

Error code 80070490 is often caused by missing registry keys or DLL files. In some cases, Windows update errors may be caused by a virus. To prevent further damange to your system, it is recommended that you immediately repair Windows update error 80070490. Potential risks include: blue screens, pc freezes, and permanent damage to your PC.

Common Symptoms & Associated Problems

Symptoms and problems of Windows update error 80070490 include: Windows programs not loading or working properly, inablity to install new program, suspectibility to hacker attacks, slow PC performance, freezes, and crashes.

Repair Difficulty - Easy

Windows update error 80070490 is rated as easy to repair. Simply click the green button below to begin downloading PC HealthBoost, PC Error Repair Tool. Once download is complete follow the instructions to install and run.

Last Updated: January 16, 2017 | File Size: 2.7MB

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Critical Risk Rating

Windows Update Error 80070490

  • 1 Bar: Low
  • 2 Bars: Medium
  • 3 Bars: Medium/High
  • 4 Bars: High
  • 5 Bars: Urgent
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System Requirements

PC HealthBoost™ operates best with the following minimum system specifications:

Microsoft Windows ®

PC HealthBoost™ is compatible with Windows 7, Windows 8, Vista, XP Pro (& Home) 32 & 64 Bit


  • Internet Access (To Register)
  • 1024 MB of RAM
  • 10 MB of hard drive space


  • Internet Access (For Updates)
  • 2048 MB of RAM
  • 50 MB of hard drive space

Initial Download:

PC HealthBoost is a software tool that automatically repairs PC registry errors. The free version of this software repairs file association and font entries, and allows you to remove startup programs. Upgrading to the premium paid version allows you to fix all registry errors.

Information about Windows Update Error 80070490

Microsoft bundles software with each copy of Windows called "Windows Update". This enables the computer user to have their system automatically updated. Vital updates are normally released by Microsoft every month. This is all good if the software works correctly, but sometimes your computer won't allow an update (which throws a windows update error 80070490). Incidentally, this also opens up your computer to security threats.

Problems caused by Windows Update Error 80070490

If you get Windows Update error 80070490, don't ignore this error and skip updating Windows. The developers don’t release patches just for fun; they do it to fix holes in their system which can affect your computer's performance.

What problems do I face if Windows doesn’t allow me to update due to error 80070490?

  • Hackers are constantly searching for security holes in any piece of software, particularly Windows due to it being the most used operating system in the world. Luckily, Windows developers are constantly trying to patch these holes as they are discovered. If you don’t solve your Windows Update error 80070490, you are opening yourself up to hacking.
  • Most software requires Windows Updates. If you don’t have these, then you may not be able to run your software.
  • Certain Windows programs will lose their functionality. One case to note is that of Windows Installer. In Windows 7, a lot of people found that Windows Installer failed to work. When their Windows Update didn’t work, they lost the ability to install programs on their computer.
  • Windows Update also provides vital updates to other Microsoft owned software, such as Internet Explorer and Microsoft Office. Sometimes the only way to obtain vital updates for the software is through Windows Update.

If you are seeing error 80070490 when trying to use Windows Update, then you need to fix them soon to avoid becoming the target of hackers. Luckily, this is easy to fix.

Recommended: Run PC HealthBoost to repair Windows Update error 80070490 and other associated registry problems. In under 2 minutes, PC HealthBoost registry cleaner will repair all invalid registry keys, and completely remove registry errors. Click here to download PC HealthBoost now and start a free scan.

How do I Fix Windows Update Error 80070490?

Every so often Microsoft pushes out vital updates for their operating systems via Windows Update. These updates fix many security flaws. Many people suffer from Windows Update error 80070490, leaving their computers at risk.

A number of causes are associated with update error 80070490. One of the major causes is an undetected virus in your computer system. We suggest installing or updating your anti-virus program and running a scan. If this helps, then you will be able to proceed with updating your system.

Another solution is to head to the Microsoft Support Center and see if they are offering a solution for the problem. Generally they will give step-by-step solutions on how to solve this. We only recommend this if you are experienced with the use of computers.

The main causes that Microsoft gives for failed updates are either missing DLL files or registry keys. You can fix these errors manually, but it's not suggested. More often than not it will do your computer a lot of harm, especially if you do not know what you are doing. If you still wish to do it manually, you can follow these steps:

  1. If it's a missing DLL file causing the issue, you can go onto the Internet (with caution) and download the file. Drop this into the correct location and you are good to go. If the problem is deeper than a missing DLL file, your error will more than likely reappear.
  2. If registry keys are the issue, you can type your error code into Microsoft Support and they will provide a solution. This involves opening up the Registry Editor and follow the steps that Microsoft gives you. To open up the registry editor do this:
    1. Click Start; Run; Type "REGEDIT".

Recommended Windows Update Error 80070490 Repair Solution

One of the best options for fixing Windows Update errors is to use a registry cleaner. A good registry cleaner, such as PC HealthBoost, will search for all errors and fix many other problems that occur on your PC, including startup issues.

PC HealthBoost fixes registry problems such as Windows Update errors and many other errors that can occur on a PC at any time. It is also one of the easiest programs to use and answers any of the questions that you may have with their highly qualified customer support. PC HealthBoost will repair any of the Windows Update errors that it finds and safely delete anything that cannot be repaired or is a duplicate.

Useful Resources for Windows Update Errors

  1. Download PC HealthBoost registry cleaner to diagnose and repair Windows Update errors.
  2. Want to know some of the common Windows update errors from the horse’s mouth?