This article provides some common causes and solutions that are associated with specific upgrade error codes. If a Windows 10 upgrade fails, you can write down the error code that is displayed, or find the error code in the Windows Event Log or in the Windows Setup log files (ex: setuperr.log) and review the cause and solutions provided here. You should also try running the free SetupDiag tool provided by Microsoft, which can automatically find the reason for an upgrade failure.
Result codes that start with the digits 0x800 are also important to understand. These error codes indicate general operating system errors, and aren't unique to the Windows upgrade process. Examples include timeouts, devices not functioning, and a process stopping unexpectedly.
Windows 10: Upgrade error 0xC1900101-0x2000A
Ensure that "Download and install updates (recommended)" is accepted at the start of the upgrade process.0xC7700112Failure to complete writing data to the system drive, possibly due to write access failure on the hard disk.This issue is resolved in the latest version of Upgrade Assistant.Ensure that "Download and install updates (recommended)" is accepted at the start of the upgrade process.0x80190001An unexpected error was encountered while attempting to download files required for upgrade.To resolve this issue, download and run the media creation tool. See Download windows 10.0x80246007The update wasn't downloaded successfully.Attempt other methods of upgrading the operating system.Download and run the media creation tool. See Download windows 10.Attempt to upgrade using .ISO or USB. Note: Windows 10 Enterprise isn't available in the media creation tool. For more information, go to the Volume Licensing Service Center.0x80244018Your machine is connected through a proxy server.Make sure Automatically Detect Settings is selected in internet options. (Control Panel > Internet Options > Connections > LAN Settings).0xC1900201The system didn't pass the minimum requirements to install the update.Contact the hardware vendor to get the latest updates.0x80240017The upgrade is unavailable for this edition of Windows.Administrative policies enforced by your organization might be preventing the upgrade. Contact your IT administrator.0x80070020The existing process can't access the file because it's being used by another process.Use the MSCONFIG tool to perform a clean boot on the machine and then try to perform the update again. For more information, see How to perform a clean boot in Windows.0x80070522The user doesn't have required privilege or credentials to upgrade.Ensure that you've signed in as a local administrator or have local administrator privileges.0xC1900107A cleanup operation from a previous installation attempt is still pending and a system reboot is required in order to continue the upgrade.Restart the device and run setup again. If restarting the device doesn't resolve the issue, then use the Disk Cleanup utility to clean up the temporary files and the System files. For more information, see Disk cleanup in Windows 10.0xC1900209The user has chosen to cancel because the system doesn't pass the compatibility scan to install the update. Setup.exe will report this error when it can upgrade the machine with user data but cannot migrate installed applications.Incompatible software is blocking the upgrade process. Uninstall the application and try the upgrade again. For more information, see Windows 10 Pre-Upgrade Validation using SETUP.EXE.You can also download the Windows Assessment and Deployment Kit (ADK) for Windows 10 and install Application Compatibility Tools.0x8007002This error is specific to upgrades using Configuration Manager R2 SP1 CU3 (5.00.8238.1403)Analyze the SMSTS.log and verify that the upgrade is failing on "Apply Operating system" Phase: Error 80072efe DownloadFileWithRanges() failed. 80072efe. ApplyOperatingSystem (0x0760)The error 80072efe means that the connection with the server was terminated abnormally.To resolve this issue, try the OS Deployment test on a client in same VLAN as the Configuration Manager server. Check the network configuration for random client-server connection issues happening on the remote VLAN.0x80240FFFOccurs when update synchronization fails. It can occur when you're using Windows Server Update Services on its own or when it's integrated with Microsoft Endpoint Configuration Manager. If you enable update synchronization before you install hotfix 3095113, WSUS doesn't recognize the Upgrades classification, and instead treats the upgrade like a regular update.You can prevent this by installing hotfix 3095113 before you enable update synchronization. However, if you have already run into this problem, do the following steps:Disable the Upgrades classification.Install hotfix 3095113.Delete previously synched updates.Enable the Upgrades classification.Perform a full synch.For detailed information on how to run these steps check out How to delete upgrades in WSUS.0x8007007EOccurs when update synchronization fails because you don't have hotfix 3095113 installed before you enable update synchronization. Specifically, the CopyToCache operation fails on clients that have already downloaded the upgrade because Windows Server Update Services has bad metadata related to the upgrade. It can occur when you're using standalone Windows Server Update Services or when WSUS is integrated with Microsoft Endpoint Configuration Manager.Use the following steps to repair Windows Server Update Services. You must run these steps on each WSUS server that synched metadata before you installed the hotfix.Stop the Windows Update service. Sign in as a user with administrative privileges, and then do the following steps:Open Administrative Tools from the Control Panel.Double-click Services.Find the Windows Update service, right-click it, and then select Stop. If prompted, enter your credentials.Delete all files and folders under c:\Windows\SoftwareDistribution\DataStore.Restart the Windows Update service.Other error codesError CodesCauseMitigation0x80070003- 0x20007This is a failure during SafeOS phase driver installation.Verify device drivers on the computer, and analyze log files to determine the problem driver.0x8007025D - 0x2000CThis error occurs if the ISO file's metadata is corrupt or if there's an issue with the storage medium, such as a RAM module containing bad blocks during the installation of Windows.Redownload the ISO/Media and reattempt the upgradeAlternatively, re-create installation media the Media Creation Tool.0x80070490 - 0x20007An incompatible device driver is present.Verify device drivers on the computer, and analyze log files to determine the problem driver.0xC1900101 - 0x2000cAn unspecified error occurred in the SafeOS phase during WIM apply. This can be caused by an outdated driver or disk corruption.Run checkdisk to repair the file system. For more information, see the quick fixes section in this guide.Update drivers on the computer, and select "Download and install updates (recommended)" during the upgrade process. Disconnect devices other than the mouse, keyboard and display.0xC1900200 - 0x20008The computer doesn't meet the minimum requirements to download or upgrade to Windows 10.See Windows 10 Specifications and verify the computer meets minimum requirements.Review logs for compatibility information.0xC1900200 - 0x20008The computer doesn't meet the minimum requirements to download or upgrade to Windows 10.See Windows 10 Specifications and verify the computer meets minimum requirements.Review logs for Windows 10 Specifications.0x80070004 - 0x3000DThis is a problem with data migration during the first boot phase. There are multiple possible causes.Analyze log files to determine the issue.0xC1900101 - 0x4001EInstallation failed in the SECOND_BOOT phase with an error during PRE_OOBE operation.This is a generic error that occurs during the OOBE phase of setup. See the 0xC1900101 section of this guide and review general troubleshooting procedures described in that section.0x80070005 - 0x4000DThe installation failed in the SECOND_BOOT phase with an error in during MIGRATE_DATA operation. This error indicates that access was denied while attempting to migrate data.Analyze log files to determine the data point that is reporting access denied.0x80070004 - 0x50012Windows Setup failed to open a file.Analyze log files to determine the data point that is reporting access problems.0xC190020e0x80070070 - 0x500110x80070070 - 0x500120x80070070 - 0x60000These errors indicate the computer doesn't have enough free space available to install the upgrade.To upgrade a computer to Windows 10, it requires 16 GB of free hard drive space for a 32-bit OS, and 20 GB for a 64-bit OS. If there isn't enough space, attempt to free up drive space before proceeding with the upgrade. Note: If your device allows it, you can use an external USB drive for the upgrade process. Windows setup will back up the previous version of Windows to a USB external drive. The external drive must be at least 8 GB (16 GB is recommended). The external drive should be formatted using NTFS. Drives that are formatted in FAT32 may run into errors due to FAT32 file size limitations. USB drives are preferred over SD cards because drivers for SD cards aren't migrated if the device doesn't support Connected Standby.Modern setup errorsAlso see the following sequential list of modern setup (mosetup) error codes with a brief description of the cause.
But as with previous Windows 10 upgrades, some people have encountered 0xc1900101 error during the upgrade process and failed to install Windows 11. In this article, we will discuss terror 0xc1900101 in Windows 11 and come up with some effective solutions to fix the issue, hoping to help you.
While using the Windows 11 Installation Assistant, users have been encountering the 0xc1900101 error message. Some users encounter the problem while trying to upgrade to the new operating system, others have been facing the issue while performing a regular update on their Windows 11 machine. The error code in question is more of a generic one and there are quite a few reasons why it could occur that vary from a third-party antivirus installed on your computer to outdated BIOS firmware and much more. Regardless of the cause, we will be showing you how to resolve this issue in this article so just follow through.
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