Windows 10, version 1803

Find information on known issues for Windows 10, version 1803. Looking for a specific issue? Press CTRL + F (or Command + F if you are using a Mac) and enter your search term(s).

Current status as of August 7, 2019:       
Windows 10, version 1803 (the April 2018 Update) will reach end of service on November 12, 2019 for Home and Pro editions. We will begin updating devices running Windows 10, version 1803 to Windows 10, version 1903 (the May 2019 Update) starting July 16, 2019 to help ensure that these devices remain in a serviced and secure state. For more information, see the Windows 10, version 1903 section of the release information dashboard.

Known issues

This table offers a summary of current active issues and those issues that have been resolved in the last 30 days.

SummaryOriginating updateStatusLast updated
Intermittent issues when printing
The print spooler service may intermittently have issues completing a print job and may result in a print job being canceled or failing.

See details >
OS Build 17134.1009

September 23, 2019
KB4522014
Resolved
KB4520008
October 08, 2019
10:00 AM PT
IME may become unresponsive or have High CPU usage
Some Input Method Editor (IME) including ChsIME.EXE and ChtIME.EXE, may become unresponsive or may have high CPU usage.

See details >
OS Build 17134.1006

September 10, 2019
KB4516058
Resolved
September 19, 2019
04:08 PM PT
Windows Mixed Reality Portal users may intermittently receive a 15-5 error code
You may receive a 15-5 error code in Windows Mixed Reality Portal and your headset may not wake up from sleep.

See details >
OS Build 17134.950

August 13, 2019
KB4512501
Mitigated
September 11, 2019
05:32 PM PT
Startup to a black screen after installing updates
Your device may startup to a black screen during the first logon after installing updates.

See details >
OS Build 17134.829

June 11, 2019
KB4503286
Mitigated
June 14, 2019
04:41 PM PT
Certain operations performed on a Cluster Shared Volume may fail
Operations performed on files or folders on a CSV may fail with the error: STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5).

See details >
OS Build 17134.523

January 08, 2019
KB4480966
Mitigated
April 25, 2019
02:00 PM PT

Issue details

September 2019

DetailsOriginating updateStatusHistory
Intermittent issues when printing
Applications and printer drivers that leverage the Windows Javascript engine (jscript.dll) for processing print jobs might experience one or more of the following symptoms:
  • Applications interacting with the V4 printer driver might close or error when printing. Issues might only be encountered when printing but might also be encountered at any time the app is running, depending on when the app interacts with the print driver.
  • The printer spooler service (spoolsv.exe) might close or error in jscript.dll with exception code 0xc0000005 causing the print jobs to stop processing. Only part of the print job might print and the rest might be canceled or error.
Affected platforms:
  • Client: Windows 10, version 1903; Windows 10, version 1809; Windows 10 Enterprise LTSC 2019; Windows 10, version 1803; Windows 10, version 1709; Windows 10, version 1703; Windows 10 Enterprise LTSC 2016; Windows 10, version 1607; Windows 10 Enterprise LTSC 2015; Windows 8.1; Windows 7 SP1
  • Server: Windows Server, version 1903; Windows Server, version 1809; Windows Server 2019; Windows Server, version 1803; Windows Server, version 1709 ; Windows Server 2016; Windows Server 2012 R2; Windows Server 2012; Windows Server 2008 R2 SP1; Windows Server 2008 SP2
Resolution: This issue was resolved in KB4520008.

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OS Build 17134.1009

September 23, 2019
KB4522014
Resolved
KB4520008
Resolved:
October 08, 2019
10:00 AM PT

Opened:
September 30, 2019
06:26 PM PT
IME may become unresponsive or have High CPU usage
Some Input Method Editor (IME) may become unresponsive or may have high CPU usage. Affected IMEs include Chinese Simplified (ChsIME.EXE) and Chinese Traditional (ChtIME.EXE) with Changjie/Quick keyboard.


Affected platforms:
  • Client: Windows 10, version 1903; Windows 10, version 1809; Windows 10 Enterprise LTSC 2019; Windows 10, version 1803; Windows 10, version 1709; Windows 10, version 1703; Windows 10 Enterprise LTSC 2016; Windows 10, version 1607
  • Server: Windows Server, version 1903; Windows Server, version 1809; Windows Server 2019; Windows Server, version 1803; Windows Server, version 1709 ; Windows Server 2016

Resolution: Due to security related changes in KB4516058, this issue may occur when Touch Keyboard and Handwriting Panel Service is not configured to its default startup type of Manual. To resolve the issue, perform the following steps:
  1. Select the Start button and type Services.
  2. Locate Touch Keyboard and Handwriting Panel Service and double click on it or long press and select Properties.
  3. Locate Startup type: and change it to Manual
  4. Select Ok
  5. The TabletInputService service is now in the default configuration and IME should work as expected.

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OS Build 17134.1006

September 10, 2019
KB4516058
Resolved
Resolved:
September 19, 2019
04:08 PM PT

Opened:
September 13, 2019
05:25 PM PT
Windows Mixed Reality Portal users may intermittently receive a 15-5 error code
After installing KB4512501, Windows Mixed Reality Portal users may intermittently receive a 15-5 error code. In some cases, Windows Mixed Reality Portal may report that the headset is sleeping and pressing “Wake up” may appear to produce no action.

Affected platforms:
  • Client: Windows 10, version 1809; Windows 10, version 1803
Workaround: To mitigate the issue, use the following steps:
  1. Close the Windows Mixed Reality Portal, if it is running.
  2. Open Task Manager by selecting the Start button and typing Task Manager.
  3. In Task Manager under the Processes tab, right click or long press on “Windows Explorer” and select restart.
  4. You can now open the Windows Mixed Reality Portal.

Next steps: We are working on a resolution and will provide an update in an upcoming release.

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OS Build 17134.950

August 13, 2019
KB4512501
Mitigated
Last updated:
September 11, 2019
05:32 PM PT

Opened:
September 11, 2019
05:32 PM PT

June 2019

DetailsOriginating updateStatusHistory
Startup to a black screen after installing updates
We are investigating reports that a small number of devices may startup to a black screen during the first logon after installing updates.


Affected platforms:
  • Client: Windows 10, version 1809; Windows 10 Enterprise LTSC 2019; Windows 10, version 1803
  • Server: Windows Server 2019
Workaround: To mitigate this issue, press Ctrl+Alt+Delete, then select the Power button in the lower right corner of the screen and select Restart. Your device should now restart normally.

Next steps: We are working on a resolution and will provide an update in an upcoming release.

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OS Build 17134.829

June 11, 2019
KB4503286
Mitigated
Last updated:
June 14, 2019
04:41 PM PT

Opened:
June 14, 2019
04:41 PM PT

January 2019

DetailsOriginating updateStatusHistory
Certain operations performed on a Cluster Shared Volume may fail
Certain operations, such as rename, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, "STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)". This occurs when you perform the operation on a CSV owner node from a process that doesn’t have administrator privilege.

Affected platforms: 
  • Client: Windows 10, version 1809; Windows 10 Enterprise LTSC 2019; Windows 10, version 1803; Windows 10, version 1709; Windows 10, version 1703; Windows 10, version 1607; Windows 10 Enterprise LTSC 2016; Windows 10, version 1507; Windows 10 Enterprise LTSB 2015; Windows 8.1
  • Server: Windows Server, version 1809; Windows Server 2019; Windows Server, version 1803; Windows Server, version 1709; Windows Server 2016; Windows Server 2012 R2; Windows Server 2012
Workaround: Do one of the following:
  • Perform the operation from a process that has administrator privilege. 
  • Perform the operation from a node that doesn’t have CSV ownership. 
Next steps: Microsoft is working on a resolution and will provide an update in an upcoming release.

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OS Build 17134.523

January 08, 2019
KB4480966
Mitigated
Last updated:
April 25, 2019
02:00 PM PT

Opened:
January 08, 2019
10:00 AM PT