RESOLVED: Latest WM10 Insider Build - Store Error 0x80073CF9 - How To Resolve?

Dec 1, 2015
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I have a US L950XL with the latest Insider Fast Ring Build (10.0.14905.1000). There are 4 apps (WhatsApp, Outlook Mail, Feedback Hub and Groove Music), showing updates available for download. Whenever I try downloading them, I get a error 0x80073CF9. Does anyone know how to fix this?

TIA

Sasha
 
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Dec 1, 2015
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Re: Latest WM10 Insider Build - Store Error 0x80073CF9 - How To Resolve?

All, I resolved the issue. This is what I did. Shut down the phone, removed the SD card and restarted the phone. Tried to reinstall and everything went through successfully. Phew, was having nightmares of having to do a hard reset (as many threads in the internet are mentioning, the only way to resolve this)
 
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GrayW0lf

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Jun 7, 2012
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Wanted to give you a quick "thanks" for posting your workaround. I also found the same problem on my Lumia 950 XL. Like you suggested, I shut down the phone, removed the SD card, restarted the phone and then watched the updates download and install successfully.

It's a real shame that Microsoft still hasn't figured out how to fix the bugs associated with our phone and working with SD cards.
 
Dec 1, 2015
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GrayWolf, agreed that this is becoming annoying on an increasing scale. Just last week, my earlier 128GB SD card was toast in my phone. Diagnosis turned up a corrupted, unrecoverable MFT which necessitated a new card. Pretty sure that the culprit was the phone OS (since I have all my music - 50GB, all my maps - 40GB, photos/videos - 10GB, and apps - 4GB) on the card, so significant read load on the card. Luckily, I back up all the content every week offline, so nothing was lost, but it could have been catastrophic.
 

yetee

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Don't forget to set "new apps will save to this device" in system > storage after doing what SashaSolitaire published to avoid repetition.
 

Larry Grouse

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After reading above, I decided to try to skip a few steps as I noticed these were all MS apps that were having the problems. I simply changed my storage settings to "new apps will save on this device" and skipped shutting down and removing SD card. I then went back to store to retry downloading. All apps downloaded without any problems.
 

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