{"id":6425,"date":"2018-08-06T11:20:09","date_gmt":"2018-08-06T05:50:09","guid":{"rendered":"http:\/\/198.58.113.91\/blog\/?p=6425"},"modified":"2025-01-28T12:13:00","modified_gmt":"2025-01-28T06:43:00","slug":"windows-backup-failed-exclusive-lock-efi-partition-avast","status":"publish","type":"post","link":"https:\/\/www.winhelponline.com\/blog\/windows-backup-failed-exclusive-lock-efi-partition-avast\/","title":{"rendered":"[Fix] &#8220;Windows Backup Failed to Get an Exclusive Lock on the EFI System Partition&#8221; Error"},"content":{"rendered":"<p>When you try to create a system image using Windows Backup on your computer, the following error occurs and backup procedure stalls.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6429\" src=\"https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/2018\/08\/efi-lock-0x8078011E.png\" alt=\"0x8078011E avast efi system partition lock windows backup\" width=\"538\" height=\"279\" \/><\/p>\n<div class=\"err\">\n<p>Windows Backup failed to get an exclusive lock on the EFI system partition (ESP). This may happen if another application is using files on the ESP. Please retry the operation. (0x8078011E)<\/p>\n<p>Additional information:<br \/>\nAccess is denied. (0x80070005)<\/p>\n<\/div>\n<p>and<\/p>\n<div class=\"err\">Check your backup. The last backup did not complete successfully.<\/div>\n<p><!--more--><\/p>\n<h2>Fix: Windows Backup Failed To Get An Exclusive Lock on EFI System Partition<\/h2>\n<p>The issue may occur if EFI system partition is locked or another application is using files on the system partition.\u00a0Third party security software protects the system files and may be causing this issue. To resolve the problem, disable the third-party security software temporarily and perform a clean boot.<\/p>\n<p>Putting your system in clean boot state helps find if any third party applications or startup items are causing the issue.\u00a0See <a href=\"https:\/\/support.microsoft.com\/en-us\/help\/929135\/how-to-perform-a-clean-boot-in-windows\" target=\"_blank\" rel=\"noopener noreferrer\">how to perform a clean boot in Windows using the MSConfig utility<\/a>.<\/p>\n<figure id=\"attachment_6428\" aria-describedby=\"caption-attachment-6428\" style=\"width: 561px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6428\" src=\"https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/2018\/08\/w10-clean-boot-msconfig.png\" alt=\"clean boot using msconfig\" width=\"571\" height=\"385\" \/><figcaption id=\"caption-attachment-6428\" class=\"wp-caption-text\">Clean boot troubleshooting using the System Configuration Utility (msconfig)<\/figcaption><\/figure>\n<p><em><strong>Note:<\/strong> If you had disabled some services earlier, note down the names in a piece of paper. Later on, after completing the clean boot routine and clicking &#8220;Enable all&#8221;, you may uncheck those specific services (which you had disabled already) manually.<\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-6338\" src=\"https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/2018\/07\/icotip.gif\" alt=\"tips bulb icon\" width=\"34\" height=\"34\" \/>Intermediate\/Advanced users can also <a href=\"https:\/\/www.winhelponline.com\/blog\/clean-boot-windows-autoruns\/\">perform a clean boot using Autoruns<\/a> tool from Windows SysInternals.<\/p>\n<p>If that doesn&#8217;t help, uninstall your 3rd party antivirus solution, restart Windows and try running Windows Backup again.<\/p>\n<p>Avast anti-virus&#8217;s NG component (Secure Virtual Machines) may be the culprit in most cases.<\/p>\n<blockquote><p>Avast NG is a hardware based virtualization solution to provide more isolated test space. It is capable of running each Windows process in standalone safe virtualized environment (VM) and fully integrated to your desktop. Each process is executed in its own instance of VM, which means totally isolated from your other applications. This feature now powers Avast DeepScreen to improve better scanning of unknown programs (better detections).<\/p><\/blockquote>\n<h4>Uninstall Avast \/ Trend Micro \/ AVG<\/h4>\n<ul>\n<li>Open Control Panel, Programs and Features<\/li>\n<li>Right click on the anti-virus software entry (for example, &#8220;Avast Free Antivirus \/ Avast Internet Security&#8221;, or &#8220;Trend Micro&#8221; or &#8220;AVG&#8221;) then click &#8220;Uninstall&#8221;<\/li>\n<li>Follow the on-screen instructions and restart Windows.<\/li>\n<\/ul>\n<h4>Intel Energy Server Service WILLAMETTE<\/h4>\n<p>Intel Energy Checker \/ Intel Energy Server Service WILLAMETTE is also known to cause the same problem. See if disabling\/uninstalling this software fixes the problem.<\/p>\n<h4>ESET Antivirus<\/h4>\n<p>If you&#8217;re using ESET antivirus, <a href=\"https:\/\/support.eset.com\/en\/kb2769-exclude-files-or-folders-from-scanning-in-eset-windows-home-products\" target=\"_blank\" rel=\"noopener noreferrer\">create exclusions<\/a> for these two files:<\/p>\n<ul>\n<li>\\Device\\HarddiskVolume1\\EFI\\Microsoft\\Boot\\BCD<\/li>\n<li>\\Device\\HarddiskVolume1\\EFI\\Microsoft\\Boot\\BCD.LOG<\/li>\n<\/ul>\n<p>For more information, check out ESET article\u00a0<a href=\"https:\/\/support.eset.com\/en\/kb6121-windows-backup-failing-error-message\" target=\"_blank\" rel=\"noopener noreferrer\">Windows Backup failing error message<\/a> from the ESET Knowledgebase.<\/p>\n<p>Hope this guide helped you resolve the error &#8220;Windows Backup Failed To Get An Exclusive Lock on EFI System Partition&#8221; (Error codes\u00a0<code>0x8078011E<\/code> &amp; <code>0x80070005<\/code>\u00a0) when running Windows Backup on computers running Windows 7 through Windows 11.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When you try to create a system image using Windows Backup on your computer, the following error occurs and backup procedure stalls. Windows Backup failed to get an exclusive lock on the EFI system partition (ESP). This may happen if another application is using files on the ESP. Please retry the operation. (0x8078011E) Additional information: &#8230; <a title=\"[Fix] &#8220;Windows Backup Failed to Get an Exclusive Lock on the EFI System Partition&#8221; Error\" class=\"read-more\" href=\"https:\/\/www.winhelponline.com\/blog\/windows-backup-failed-exclusive-lock-efi-partition-avast\/\" aria-label=\"Read more about [Fix] &#8220;Windows Backup Failed to Get an Exclusive Lock on the EFI System Partition&#8221; Error\">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":[7],"tags":[948,114,441,949],"class_list":["post-6425","post","type-post","status-publish","format-standard","hentry","category-windows","tag-backup-and-restore","tag-context-menu","tag-registry","tag-windows-backup"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":80550,"url":"https:\/\/www.winhelponline.com\/blog\/backup-the-efi-system-partition\/","url_meta":{"origin":6425,"position":0},"title":"How to Backup the EFI System Partition","author":"Ramesh","date":"March 23, 2026","format":false,"excerpt":"The EFI partition contains the boot files and the boot configuration database (BCD). Some OEMs also store the BIOS image backups and additional tools in the EFI partition. This post explains how to back up the files in the EFI partition. Backup the EFI System Partition The EFI partition has\u2026","rel":"","context":"In &quot;Windows 10&quot;","block_context":{"text":"Windows 10","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/windows-10\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":75826,"url":"https:\/\/www.winhelponline.com\/blog\/system-image-backup-0x80780119-error\/","url_meta":{"origin":6425,"position":1},"title":"Fix: System Image Backup Error 0x80780119","author":"Ramesh","date":"July 4, 2024","format":false,"excerpt":"When you create a system image using the built-in System Image Backup tool in Windows 10 or 11, the error code 0x80780119 may appear. The backup failed. There is not enough disk space to create the volume shadow copy on the storage location. Make sure that, for all volumes to\u2026","rel":"","context":"In &quot;Windows 10&quot;","block_context":{"text":"Windows 10","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/windows-10\/"},"img":{"alt_text":"delete font files in EFI partition - error 0x80780119 during system image backup","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/07\/del-ttf-efi-partition.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/07\/del-ttf-efi-partition.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/07\/del-ttf-efi-partition.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/07\/del-ttf-efi-partition.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":32027,"url":"https:\/\/www.winhelponline.com\/blog\/rebuild-efi-partition-bcd-boot-files\/","url_meta":{"origin":6425,"position":2},"title":"How to Rebuild the EFI Boot Partition, BCD and Boot Files","author":"Ramesh","date":"January 17, 2023","format":false,"excerpt":"The EFI boot partition is a FAT32 partition that stores the boot files and the boot configuration data (BCD) to load Windows. Sometimes, the boot partition or the BCD may get corrupted, and the boot files remain unserviceable by the Windows Setup process. In that case, rebuilding the EFI partition\u2026","rel":"","context":"In &quot;Windows 10&quot;","block_context":{"text":"Windows 10","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/windows-10\/"},"img":{"alt_text":"EFI partition shows as RAW","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2023\/01\/efi-raw-diskmgmt.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2023\/01\/efi-raw-diskmgmt.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2023\/01\/efi-raw-diskmgmt.png?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":61178,"url":"https:\/\/www.winhelponline.com\/blog\/0x80070003-0x20008-error-feature-update\/","url_meta":{"origin":6425,"position":3},"title":"0x80070003 &#8211; 0x20008 &#8211; Windows 10\/11 Feature Update Error","author":"Ramesh","date":"September 4, 2023","format":false,"excerpt":"When you attempt to install a Feature Update, the error code 0x80070003 - 0x20008 may appear. The\u00a0Setupact.log file may show the following contents: Info CONX ConX::Compatibility::CSystemAbstraction::HostIsUEFIFirmware: Host is UEFI. Error CONX ConX::Compatibility::CSystemAbstraction::HostIsUEFIDiskLayout: Failed to retrieve system partition NT path. Error CONX CHostIsUEFICompliantChecker failed. [Failed to check whether host has UEFI\u2026","rel":"","context":"In &quot;Windows 10&quot;","block_context":{"text":"Windows 10","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/windows-10\/"},"img":{"alt_text":"efi boot partition - disk management","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2023\/09\/efi-system-partition-diskmgmt.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2023\/09\/efi-system-partition-diskmgmt.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2023\/09\/efi-system-partition-diskmgmt.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2023\/09\/efi-system-partition-diskmgmt.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":78024,"url":"https:\/\/www.winhelponline.com\/blog\/resize-efi-system-partition\/","url_meta":{"origin":6425,"position":4},"title":"How to Resize the EFI System Partition in Windows","author":"Ramesh","date":"March 5, 2025","format":false,"excerpt":"Summary: This post explains how to increase the size of the EFI partition to 250 MB without using any paid software. The EFI system partition stores the boot configuration database (BCD) and the boot files needed to boot a UEFI system. By default, the Windows setup creates a 100 MB\u2026","rel":"","context":"In &quot;Utilities&quot;","block_context":{"text":"Utilities","link":"https:\/\/www.winhelponline.com\/blog\/category\/utilities\/"},"img":{"alt_text":"resize efi partition using aomei free version","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2025\/03\/resize_efi_9-3.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2025\/03\/resize_efi_9-3.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2025\/03\/resize_efi_9-3.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2025\/03\/resize_efi_9-3.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":77067,"url":"https:\/\/www.winhelponline.com\/blog\/hp-bios-update-no-free-space\/","url_meta":{"origin":6425,"position":5},"title":"HP: There is not enough free disk space to complete the System BIOS","author":"Ramesh","date":"November 21, 2024","format":false,"excerpt":"When you attempt to update the BIOS on an HP computer, the following error may occur: There is not enough free disk space to complete the System BIOS and Device Firmware update operation. Delete some files to free disk space then retry again. Cause The above error occurs if the\u2026","rel":"","context":"In &quot;Windows 10&quot;","block_context":{"text":"Windows 10","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/windows-10\/"},"img":{"alt_text":"HP BIOS update - not enough free space","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/11\/hp-bios-no-disk-space.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/11\/hp-bios-no-disk-space.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/11\/hp-bios-no-disk-space.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/11\/hp-bios-no-disk-space.png?resize=700%2C400&ssl=1 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.winhelponline.com\/blog\/wp-json\/wp\/v2\/posts\/6425","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.winhelponline.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.winhelponline.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.winhelponline.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.winhelponline.com\/blog\/wp-json\/wp\/v2\/comments?post=6425"}],"version-history":[{"count":0,"href":"https:\/\/www.winhelponline.com\/blog\/wp-json\/wp\/v2\/posts\/6425\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.winhelponline.com\/blog\/wp-json\/wp\/v2\/media?parent=6425"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.winhelponline.com\/blog\/wp-json\/wp\/v2\/categories?post=6425"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.winhelponline.com\/blog\/wp-json\/wp\/v2\/tags?post=6425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}