{"id":6518,"date":"2018-08-29T07:02:53","date_gmt":"2018-08-29T01:32:53","guid":{"rendered":"http:\/\/198.58.113.91\/blog\/?p=6518"},"modified":"2023-07-31T17:55:12","modified_gmt":"2023-07-31T12:25:12","slug":"kb4100347-cannot-boot-windows-winre-uninstall-update-intel-cpu","status":"publish","type":"post","link":"https:\/\/www.winhelponline.com\/blog\/kb4100347-cannot-boot-windows-winre-uninstall-update-intel-cpu\/","title":{"rendered":"Cannot Boot into Windows after installing KB4100347 Intel CPU Update"},"content":{"rendered":"

Intel recently announced that they have completed their validations and started to release microcode for recent CPU platforms related to Spectre Variant 2 (CVE 2017-5715 [\u201cBranch Target Injection\u201d]). The Windows Update KB4100347<\/code> includes microcode updates from Intel.<\/p>\n

Right after installing the update KB4100347<\/a> via Windows Update channel or the Microsoft Update Catalog, many users faced a problem where the system became unbootable, especially Xeon workstations. Although not necessary, some users wiped their drive, formatted it and installed Windows 10 from scratch to come out of this problem.<\/p>\n

But there is no need to clean install Windows 10. This post explains how to make your Windows 10 computer bootable again by undoing\/uninstalling\u00a0KB4100347<\/code>\u00a0offline via Windows Recovery Environment<\/a>.<\/p>\n

[Solution] Cannot boot into Windows after installing KB4100347<\/h2>\n

To fix the unbootable Windows 10 computer, uninstall KB4100347 package via Windows Recovery Environment.<\/p>\n

Remove KB4100347 to fix your unbootable computer<\/h3>\n
    \n
  1. Boot into Windows RE (press F9<\/kbd> before Windows starts).\u00a0If Windows\u00a0doesn\u2019t start<\/u>, then boot the system using the installation media or Recovery drive to access the Recovery Environment. In the Windows setup page that appears when booting using the Windows installation media, click Next and click\u00a0Repair your computer<\/b>. For more information, see how to boot into Windows RE<\/a>.<\/li>\n
  2. Choose Advanced Options, and click on the Command Prompt<\/strong> option.<\/li>\n
  3. Next, find out now which drive-letter has been assigned for the Windows partition (when seen from WinRE). To do so, run the command diskpart<\/code><\/li>\n
  4. Then type list disk<\/code>. Select the one which matches your Operating System drive.<\/li>\n
  5. Type list volumes<\/code>. It’ll throw out a list. The biggest one should be Windows. Two small ones of around 500MB<\/code> should be there, ignore those.<\/li>\n
  6. Close diskpart by typing exit<\/code><\/li>\n
  7. Now type dism \/image:<driveletter here> \/get-packages<\/code>. This should result in a list of packages. Find KB4100347. It’s name is quite long, but you can copy it by selecting it and right clicking<\/a>. It might appear like as below:\n
    Package_for_KB4100347~31bf3856ad364e35~amd64~~10.0.2.3<\/pre>\n<\/li>\n
  8. Now type dism \/image:<driveletter here> \/remove-package \/PackageName:<the_long_package_name_here><\/code><\/li>\n
  9. Now type dism \/image:<driveletter here> \/cleanup-image \/revertpendingactions<\/code> as to undo the damage done.<\/li>\n<\/ol>\n
    Credits to redittor a_false_vacuum for the quick fix above. See Reddit thread KB4100347 rendering systems unbootable<\/a>\u00a0for details.<\/em><\/p>\n
    Hope you were able to uninstall KB4100347<\/strong><\/code> offline and now able to boot Windows successfully.<\/p>\n
    \"handFurther, to prevent the KB4100347<\/code> update from being reinstalled automatically, you can use the WUShowHide diagnostic .cab utility discussed in article\u00a0Prevent Windows Update from Installing Certain Updates & Drivers<\/a>\u00a0and How to Defer a Windows 10 Update.<\/a><\/p>\n
    Or if you can take a small risk, install the latest BIOS update for your motherboard and then retry installing\u00a0KB4100347<\/code>. If the same problem happens even after BIOS update, you can follow the steps in this article to undo the update, again.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Intel recently announced that they have completed their validations and started to release microcode for recent CPU platforms related to Spectre Variant 2 (CVE 2017-5715 [\u201cBranch Target Injection\u201d]). The Windows Update KB4100347 includes microcode updates from Intel. Right after installing the update KB4100347 via Windows Update channel or the Microsoft Update Catalog, many users faced … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[8],"tags":[688],"class_list":["post-6518","post","type-post","status-publish","format-standard","hentry","category-windows-10","tag-windows-update"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":10639,"url":"https:\/\/www.winhelponline.com\/blog\/find-bios-version-if-your-bios-is-up-to-date\/","url_meta":{"origin":6518,"position":0},"title":"How to Find the BIOS Version and Check if it is Up to Date","author":"Ramesh","date":"August 8, 2019","format":false,"excerpt":"BIOS is a firmware used to perform hardware initialization during the booting process. 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