What does the error code c101b000 represent?

I was getting this error code as I was attempting to install an application from the Marketplace. The application will download perfectly, but when it tries to install the application, it would continuously give me this same error code. This occurred on multiple application installation attempts, so I know it is not a problem with one specific application that I am attempting to install. I am completely lost on what in the world this might be. I need help here.
 

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Last updated November 27, 2019 Views 104,157 Applies to:

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Couldn't find any info on that code, can you check the code to make sure it is correct? Also, is there any message displayed along with the error code?

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Hi Brian Meaney,

 

 

Thank you for your contribution to the forum!

 

Are you still experiencing this issue?

If so, can you please provide us with the information pdonate asked for?

Have you tried yanking the battery for about a minute and then installing the app again?

 

Thanks in advance for your reply!

 

 

Kind Regards,

 

Silvia B.

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I received the same error message when installing multiple apps.  The app downloads but when it goes to install (at about the 51% mark in the status bar), it errors out and goes to the App list.  The app name is shown but under the name it says "attention required".  Clicking the app shows the app in Marketplace Downloads with "Attention required.  Tap here."  Clicking gives "<app name> There is a problem completing your request.  Try again later.  Error code: c101b000" with retry and close buttons.  Retry ends up giving the same behavior.  This occurred even after a shutdown and restart of the phone.

However...  After trying a few times, one of the apps did indeed install.  I still have another which is giving the error but I'll keep trying.

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I am experiencing this issue. I just picked up a replacement WP while my original is in for repairs. Tried to install an app. It goes through the 50% install, and then has "Attention Required. Tap Here". Brings up "There is a problem completing your request. Try again later. Error code: c101b000.

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I recieve the same error message after installing the latest Lumia Update. Trying to install an APP prompts user Attention Requiered with error code: c101b000. What could be the reason?
Jose

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I am having this problem as well...  YES, it's error code c101b000.

I tried to download 4 apps from the Marketplace, but when they actually download, they all stop at exactly 50% and revert to a "Attention required,  Tap here." message...  When you tap, an error box pops up and says:

App Name
There is a problem completing your
request,  Try again later.

Error code:  c101b000

***retry***  ***close***

when I hit retry, it downloads 50% and reverts back to the same loop....  when I hit close, it closes the window......


Samsung
Focus2
AT&T
OS 7.10.8112.7
Zune ver 4.8.2345.0
Windows Vista


Thank you for your time!

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I was eventually able to install apps through retrying.  No reboot required.  Wierd.

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Same problem for me here. Exact same error message and code. Tried several apps and all give the same message. So far retrying (maybe 20 times) hasn't been successful. Only bought the phone yesterday - this isn't a great introduction to it :(
 
 edit: and regardless of the size of the app, it always gives the error code at exactly 50% of the download.

 Someone at MS must know what that code signifies? Google throws up nothing at all apart from these few messages. Thanks.

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Are You Still Having The Problem? I Still Cannot Install Any Apps It Just Started Happening After About 1 o'clock. I Did Read That They Were Changing The Marketplace Name To Something Different I Don't Know If It Is Today That There doing it But If We Are All Having The Problem MS Is The One Creating It.

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I have the same problem. Anybody have any ideas?

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