Incident: Windows 10 Bug Causes Control Panel Crashes Before Launch

Published Date: 2015-07-27

Postmortem Analysis
Timeline 1. The software failure incident of the Windows 10 bug triggered by update KB3074681 happened days before the official launch of Windows 10. 2. Published on 2015-07-27. 3. The incident likely occurred in July 2015.
System 1. Windows 10 Build 10240 2. Update KB3074681 3. Control Panel [38084]
Responsible Organization 1. The update dubbed KB3074681 pushed to the current Windows 10 build for members of the Windows Insider Program was responsible for causing the software failure incident [38084].
Impacted Organization 1. Windows 10 users who are part of the Windows Insider Program were impacted by the software failure incident [38084].
Software Causes 1. The software cause of the failure incident was a bug triggered by update KB3074681 in the Windows 10 build for members of the Windows Insider Program [38084].
Non-software Causes 1. The bug was triggered by an update (KB3074681) pushed to the Windows 10 build for members of the Windows Insider Program [38084]. 2. Attempting to uninstall a program using Control Panel instead of the more modern Settings screen caused the crash [38084]. 3. Microsoft was planning a phased rollout of Windows 10, starting with Windows Insiders and then moving on to Windows 7 and 8.1 users who reserved the free upgrade [38084].
Impacts 1. The software failure incident caused crashes for some users when trying to uninstall a program using Control Panel in Windows 10 [38084]. 2. Users were unable to uninstall applications via Control Panel, as it would crash and return them to the Windows 10 desktop [38084]. 3. The incident highlighted the need for a fix, which was in the works and set to be rolled out soon by Microsoft [38084]. 4. As a workaround, affected users were advised to uninstall programs by using the Settings screen instead of Control Panel until the fix was implemented [38084].
Preventions 1. Thorough testing procedures: Conducting comprehensive testing, including regression testing, before pushing out updates like KB3074681 could have helped identify the bug that caused the crashes [38084]. 2. User feedback integration: Microsoft could have actively sought feedback from Windows Insider Program members to catch issues like the Control Panel crash before the official launch [38084]. 3. More robust quality assurance processes: Implementing stricter quality assurance measures to catch potential bugs and glitches in the software before releasing it to users could have prevented this incident [38084].
Fixes 1. A fix is in the works for the Windows 10 bug caused by update KB3074681, and it will be rolled out soon [38084].
References 1. Gabe Aul, the engineering general manager for Microsoft's operating systems group [38084]

Software Taxonomy of Faults

Category Option Rationale
Recurring one_organization (a) The software failure incident related to the Windows 10 bug causing crashes when trying to uninstall a program via Control Panel has happened again within the same organization, Microsoft. This incident occurred with the KB3074681 update pushed to the Windows Insider Program members [38084]. Microsoft is working on a fix for this bug and plans to roll it out soon to address the issue. (b) There is no information in the provided article about a similar incident happening at other organizations or with their products and services.
Phase (Design/Operation) design, operation (a) The software failure incident in Article #38084 occurred due to a bug introduced by a system update. The update dubbed KB3074681 pushed to the current Windows 10 build for members of the Windows Insider Program triggered crashes for some users when trying to uninstall a program using Control Panel instead of the more modern Settings screen. This bug was a result of the development phase where the update caused the crash in the system [38084]. (b) The software failure incident in Article #38084 can also be attributed to the operation phase. Users experienced crashes when trying to uninstall a program using Control Panel, which is part of the operation or misuse of the system. The bug affected users trying to perform a common operation within the system, leading to crashes and inconvenience for users [38084].
Boundary (Internal/External) within_system (a) within_system: The software failure incident described in the article is within the system. The failure was caused by an update (KB3074681) pushed to the current Windows 10 build for members of the Windows Insider Program, triggering crashes when users try to uninstall a program using Control Panel instead of the more modern Settings screen. The bug was present in the final build of Windows 10 before its official launch, indicating an internal issue within the system itself [38084]. (b) outside_system: There is no information in the article suggesting that the software failure incident was caused by contributing factors originating from outside the system.
Nature (Human/Non-human) non-human_actions, human_actions (a) The software failure incident in this case is related to a bug in Windows 10 caused by an update (KB3074681) that triggers crashes when trying to uninstall a program using Control Panel instead of the more modern Settings screen. This bug was not introduced by human actions but rather by the update itself, which can be considered a non-human action [38084]. (b) On the other hand, the response to the bug, including the identification of the issue, development of a fix, and communication with users about a workaround, involves human actions. For example, Gabe Aul, the engineering general manager for Microsoft's operating systems group, mentioned that a fix is in the works and will be rolled out soon [38084].
Dimension (Hardware/Software) software (a) The software failure incident mentioned in the article is primarily due to a bug in the software itself rather than hardware issues. The bug was triggered by an update (KB3074681) pushed to the Windows 10 build, causing crashes when users tried to uninstall a program using Control Panel [38084]. The bug was specific to the software build (Build 10240) and was being addressed by Microsoft with a fix in the works [38084]. (b) The software failure incident is attributed to a software bug introduced by an update (KB3074681) in the Windows 10 build, causing crashes when attempting to uninstall a program using Control Panel [38084]. Microsoft acknowledged the issue and was working on a fix to address the software glitch [38084].
Objective (Malicious/Non-malicious) non-malicious (a) The software failure incident described in the article is non-malicious. The failure was caused by a bug in an update (KB3074681) for Windows 10, which triggered crashes for some users when trying to uninstall a program using Control Panel instead of the more modern Settings screen. Microsoft acknowledged the issue and was working on a fix to address the bug [38084].
Intent (Poor/Accidental Decisions) poor_decisions, accidental_decisions (a) The software failure incident related to the Windows 10 bug can be attributed to poor decisions made during the software development process. The bug was caused by an update (KB3074681) pushed to the Windows Insider Program build, which triggered crashes when users tried to uninstall a program using Control Panel instead of the more modern Settings screen. This decision to introduce an update that led to crashes for some users highlights a poor decision in the software development process [38084]. (b) Additionally, the incident can also be linked to accidental decisions or unintended consequences. The presence of the bug at a late stage, just days before the official launch of Windows 10, indicates that the crash caused by the update was not intentional but rather an unintended consequence of the update. Microsoft's engineering general manager mentioned that a fix was in the works for this bug, indicating that the crash was not part of the planned software behavior [38084].
Capability (Incompetence/Accidental) development_incompetence (a) The software failure incident in Article 38084 can be attributed to development incompetence. The bug causing crashes when trying to uninstall a program using Control Panel in Windows 10 was triggered by an update (KB3074681) pushed to the current Windows 10 build for members of the Windows Insider Program. This indicates a lack of professional competence in ensuring the update did not introduce such critical issues [38084].
Duration temporary The software failure incident described in the article is temporary. The failure was caused by a specific update (KB3074681) pushed to the Windows 10 build for members of the Windows Insider Program. This update triggered crashes for some users when trying to uninstall a program using Control Panel instead of the more modern Settings screen. The incident is not permanent as a fix is in the works and will be rolled out soon to address the bug [38084].
Behaviour crash (a) crash: The software failure incident described in the article is a crash. Users experienced crashes when trying to uninstall a program using Control Panel in Windows 10 after an update was pushed out [38084]. (b) omission: There is no indication in the article that the software failure incident was due to the system omitting to perform its intended functions at an instance(s). (c) timing: The software failure incident is not related to timing issues where the system performs its intended functions too late or too early. (d) value: The software failure incident is not related to the system performing its intended functions incorrectly. (e) byzantine: The software failure incident is not related to the system behaving erroneously with inconsistent responses and interactions. (f) other: The behavior of the software failure incident is a crash caused by a specific action (trying to uninstall a program using Control Panel) after a particular update (KB3074681) in Windows 10 [38084].

IoT System Layer

Layer Option Rationale
Perception None None
Communication None None
Application None None

Other Details

Category Option Rationale
Consequence delay The consequence of the software failure incident described in the article is a **delay**. The bug in Windows 10, caused by update KB3074681, triggers crashes when users try to uninstall a program using Control Panel instead of the more modern Settings screen. This issue led to a delay in the uninstallation process for affected users [38084].
Domain information (a) The failed system in this incident is related to the information industry as it involves a bug in Windows 10, a software system designed for personal computing and information management [38084].

Sources

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