Although this process might look bit complex, just follow the steps carefully and you should be able to complete it. This post was originally published in March and has been since completely revamped and updated for freshness, accuracy, and comprehensiveness. I have the same question Thanks for marking this as the answer. Open the app and click on the Menu. I think it could be linked to the fact that I have 0 space on my phone, but the Storage Sense app won't open, so I cannot do anything.
On my Nokia Lumiasome apps on my start screen (and app list) will not open. For example, I tap on the photos or messages icon, and the. As if there's not enough room to open.
Apps won't open on Windows Phone Microsoft Community
I have gb free on my SD card and over 7 Gb free on phone. Is that not enough. Rebooting the phone.

Apps are a crucial component of every PC, but sometimes Windows 10 apps won 't open. This can be a serious error, but we're going to show.
This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. How satisfied are you with this reply?
Video: Apps wont open on windows phone How to Fix windows phone wont download apps and pending100%
A file won't upload if it doesn't fit in your available OneDrive storage space. Thanks for your feedback, it helps us improve the site.
Troubleshoot OneDrive for Windows Phone app problems OneDrive
On my Nokia Lumiasome apps on my start screen and app list will not open. This thread is locked. Click Reset app and confirm the action.

Ok here's the easy answer fix that I normally have a quick phone conversation about this problem: Critical Error – Start menu and Cortana aren't working.
Video: Apps wont open on windows phone Solved! Windows Store Not Working/Won't Open
So, here are some Windows 10 Mobile apps update issues, their case you are facing issues after launching the Store app and it won't open.
This type of problem usually occurs when using a dual monitor setup. Some apps and features may only work with Wi-Fi, depending on your device settings, or your mobile data plan.
Find lost or missing files in OneDrive. This thread is locked.

Many users reported that this problem started appearing after installing a specific Windows update.
Sometimes, these types of problems can be fixed by performing a Windows Update, so make sure that you have latest updates installed. This thread is locked.
Open the app and click on the Menu. The filename contains characters that aren't allowed.
I cannot open many apps.