The issue can be easily dealt with via a few easy solutions that we are going to discuss in this article along with the causes of the issue in detail. 

What causes the Microsoft Store Error Code 0x80070520?

After surfing a few user reports, we have found that the problem is often caused due to the following reasons — Obsolete Windows: First things first, running an obsolete version of the Windows 10/8 can be the culprit for this particular issue. The apps that you are trying to install or update might require the latest Windows build to operate properly. Outdated MS Store: Keeping the MS Store up to date is highly necessary for seamless functionality. Having an archaic version of the Microsoft Store is known to cause quite a few problems including this one. Microsoft Store Cache: When you use the MS Store to install an application into your system, small temporary files are created known as a cache. These files can sometimes be corrupted or damaged which causes certain issues.  Now that we know the causes of the issue, let us get into the part where you will get to know how to fix your issue step-by-step. 

Solution 1: Update Windows

The first thing you need to do when you face the said error code is to make sure you are running the latest Windows build. Windows updates are usually packed with much more stability, bug fixes and updates for certain software like the MS Store and Windows Defender. Follow the given steps to update your system:  If you are running Windows 8, just go to the Control Panel > System and Security. From there, you will be able to update your Windows. 

Solution 2: Clear Microsoft Store Cache

If the above solution does not fix your issue, then, you will have to clear the Microsoft Store cache. This will get rid of the MS cache without removing the already installed applications. Here’s how to do it:

Solution 3: Update Microsoft Store

If you are running an out of date MS Store, then chances are that the issue is appearing because of it. You will not be able to update any applications if you have an obsolete version of MS Store. Therefore, make sure you are running the latest version of the Microsoft Store by checking for any updates for it. Here’s how to do it:

Solution 4: Run the MS Store Troubleshooter

You can also try to fix the issue by running the dedicated troubleshooter for Microsoft Store. The troubleshooter will search for any known issues and try to solve them itself. Here’s how to run the troubleshooter:

[FIX] Error Code 0x000001F7 in Microsoft StoreHow to Fix Error Code: 0x80073D0D Microsoft Store?FIX: Microsoft Store Error Code 0x800B010FIHow to Fix Microsoft Store Error Code 0x87E10BCF? How to Fix Microsoft Store Error Code 0x80070520 - 78How to Fix Microsoft Store Error Code 0x80070520 - 95How to Fix Microsoft Store Error Code 0x80070520 - 29How to Fix Microsoft Store Error Code 0x80070520 - 98How to Fix Microsoft Store Error Code 0x80070520 - 46