The Windows Store is Microsoft’s official marketplace for downloading apps, and  in windows 10 The Store app has been redesigned and its easy-to-navigate compared to the previous version of the Store app. but some times Users of Windows 10 system are suffering from a new error while installing apps from Windows 10 app store. “Something happened and this app couldn’t be installed Error Code 0x80073cf9”. This error blocks the users from installing any application.  
This error code basically prevents you from installing the app and it will give you two options. To either try again the installation or to cancel the installation in Windows 8 or Windows 10.

 
 Something happened and this app couldn't be installed. Please try again. Error code: 0x80073cf9
This error indicate that Windows just shows a message that something went wrong and it couldn’t install the app on your PC.

The error code 0x80073cf9 may appear also when you try to update an application to make it suitable for Windows 8 or Windows 10. If you try to reboot the Windows 8 or Windows 10 it might work may be it show the message again or unable to install apps from windows 10 store unitll you fix this problem permanently. Here this we discuss How to fix this issue and prevent it from happening again.

This irritating error can be fixed by applying some tricks that given below, but it is recommended to Create a System Image Backup in Windows 10. This will help you to deal with any other issue that generate while applying the given tips.

Fix windows 10 Store App installation Error 0x80073cf9 this app couldn't be installed  
Log out from Windows 10 Store and login again

Here i found the best solution for that Error 0x80073cf9  once sign out from windows 10 Store and Restart the windows when start the system login to windows 10 store again  and try to download the app. check hope you didn't get the error.

To do this process first lunch windows 10 store app and click your Microsoft account picture (which appears right next to the search box), and then click or tap on your Microsoft account name/email address. When you see the following Account dialog, click or tap on your Microsoft account email address to see Sign out option and restart the windows.


Again when system starts open store app click your Microsoft account picture you will get option to sign in and click on it put your Microsoft ID password to login and download the app. still face problem fallow next step.

Run the Microsoft Account Troubleshooter.

Some times this Error happens due something  wrong with the Microsoft Account here i suggest download the official microsoft Account troubleshooter and run it with administrator previlage.

Download Microsoft Account Troubleshooter


First download the Troubleshooter from given download link and run it as administrator.

now click on advanced and select on apply repairs automatically then click on next. this will check for errors related to microsoft account if any thing found wrong this will fix itself or inform you where is the error. after run the troubleshoot tool restart the windows and download the app from windows 10 store. still problem not solved try next fix.

Check Region / Time and Date

Also check  Region / Time and Date to fix error code 0x80073CF9. If your time, date and region are not correct, You may face it. So, Correct them all. To do it-

Navigate to Control Panel > Clock, Language, and Region And open the needed functions to correct them


After doing it, Restart your PC and check if you are still facing the problem.

Disable Third party services and perform Clean Boot to Fix Error 0x80073CF9

Sometimes, Third-party services may create the problem. In that case, You will need to perform clean boot in your PC by disabling third-party services. Then check if you still face the problem. If you see everything is OK, Try to find out the service which one is creating error 0x80073CF9. Then boot into normal mode.


Reset Windows Store

Also try to Reset the Windows 10 Store. this is a store related error and For any store related error you must reset the cache of Windows store. to fix errors To reset windows store fallow the steps bellow.

Open Run by pressing Windows Key + R
Type wsreset and press Enter this will poput the command and execute it. when this completed store app will open thats it.


Now, Try to install your desired app and see if you still face the problem. If it does work, It will be a great thing. Otherwise, Follow next steps.

 Create AUInstallAgent / AppReadiness Folder

It is another effictive way to fix windows store error 0x80073CF9. From Microsoft forum i will found some users fix the problem with Create (if it doesn't exist already) the folder C:\Windows\AppReadiness.


To do this just open the System drive for me its C drive then open windows folder and look for the folder named AppReadiness  and AUInstallAgent. You may see any of them are missing. So, Create the missing folder manually. right click and create a new folder and rename it to AppReadiness and AUInstallAgent. thats it close the windows and reboot the system and on restart everything worked as expected. Now, Try to install any app from store and see if you are still encountering the problem.

Try to fix with command prompt.

Here we have some command to fix this problem. Just right click on start menu and select Command Prompt (Admin). Now, Type these following command separately and press Enter for each commands.

net stop wuauserv
rename c:\windows\SoftwareDistribution softwaredistribution.old
net start wuauserv




Delete OLE Folder from Registry 

I found from Microsoft forums deleting OLE folder from registry can fix error 0x80073CF9. But as it is in registry, You should take a backup before deleting it.  here fallow the steps to delete OLE folder in registry.

Open Run. Type regedit and press Enter. When the registry edit window opens navigate to:  HKEY_CURRENT_USER\Software\Microsoft\

You will see the OLE folder. Just backup it and delete it from the regsitry Editor.

Please, Note that it can fix or cause another issue in your Windows. So, Do it with your own risk. Anyway, After doing it, Try to install or update app from windows store and see what happens.

Recommended : Windows 10 Registry Tweaks To Enable Hidden Features

 Run SFC Command

SFC command is an easy solution to fix some windows related problem. If any missing or damaged system files create the problem, It should work.  

If this Error happend due to corrupt missing or damaged system files this system file check can help to fix this error. here how to run system file check on windows 10 , 8.1 and 7

on start type cmd and run as administraotr when command prompt screen opens type command :

SFC /SCANNOW


This  will scan your system for all its important system files, and replace where necessary.  Wait until Windows scans and repairs system files. When the System file check and repair is completed, restart your computer and check if your computer works smoothly.

Try to Restore your system previous state 

One of the most Useful Feature in Windows is Restore Point. If you already have Created Restore Point earlier when your computer was working fine, Then its the right time to utilize that restore point.

Press and hold the button “Windows” and the button “X”. now You will need to left click on the “System” feature you are presented on the screen. Now that you have opened the “System control panel” you need to left click on the “System protection” feature you have on the left side of that window.


Left click or tap on the “System Restore” button you have in the window.You will need to follow the instructions on the screen and select a previous restore point to bring your system settings back to how they were before you got this error message .

Note: Before you do the system restore I suggest you write down the apps you installed after the restore point was made so that you can install them again after this process is done.

 This error can appear in your windows mobile devices too. In that case, You will have to do these things

You will need to check the time, date and region and correct them. Then restart your mobile.
If you are still facing the issue, You may need to try from different network. For example: If you are using Wi-Fi network to install app from windows store, Try to do it from different Wi-Fi zone or cellular network.

Another thing you can do is disabling some background apps. To do it go to Settings > System > Battery Server > Battery Use > Change Background App Settings. Then disable the apps from running in background which are unnecessary. Then close all active windows and try to install app from store and see if you are still facing error 0x80073CF9.

Sometimes, All of the above methods may make you disappointed. In that case, You can reset your mobile. To do it – Go to Settings > System > About and tap on Reset.

I hope, This article will help you to fix error 0x80073CF9. If you know any better solution, You can share with us.