When encountering DISM crash or failure problems, you should first check the system file corruption, run SFC scan and try to repair the system image with DISM; 1. Make sure to run the command prompt with administrator permissions, otherwise the "access denied" error will appear; 2. If the local system image is seriously damaged, you can manually repair it by mounting Windows installation media; 3. Check the log file (C:\Windows\Logs\DISM\dism.log) to locate specific errors, such as missing files, corrupt component storage or insufficient permissions; 4. Accurately check the root cause of the problem based on the log information, and solve the problems such as permissions, file corruption or path settings one by one.
It is really a headache to encounter problems with DISM crashes or failures, especially when trying to repair system files or upgrade the system. DISM (Deployment Imaging Service and Management Tool) is a very critical tool in Windows, responsible for mirror management, system repair and other tasks. If it goes wrong, many operations will get stuck. Below are some common causes and solutions to help you troubleshoot problems step by step.

1. Check the system file corruption
Many times, DISM fails because the system file itself is corrupted, causing it to fail to run normally. You can try to scan with SFC (System File Checker):

sfc /scannow
If you prompt "The protected Windows file is not signed" or "The operation cannot be completed", you may need to use DISM to repair the system image:
DISM /Online /Cleanup-Image /RestoreHealth
But if you report an error when running this command, such as "Error: 1398" or "Access denied", you need to further troubleshoot permissions or system status.

2. Make sure to run the command prompt with administrator permissions
DISM is a high-privileged tool that must be run in administrator mode to work properly. If the command prompt is not opened as an administrator, an error like "Access Denied" will appear.
You can do this:
- Search for "cmd" in the Start Menu
- Right-click to select "Run as administrator"
Then try to execute the DISM command again. This is a small detail that is easy to ignore. Many people just click cmd and run the command, but they don’t know the reason if they fail.
3. Manually repair the system image using the installation media
If the above methods are not available, it means that the local system image may have been seriously damaged. At this time, you can replace the damaged system files by mounting the Windows installation image.
The steps are as follows:
- Prepare an ISO image for Windows 10 (can be downloaded from Microsoft's official website)
- Mount ISO or insert the USB boot disk
- Execute the following command (assuming your installation image is located in D:\sources\install.wim):
DISM /Online /Cleanup-Image /RestoreHealth /Source:wim:D:\sources\install.wim:1 /LimitAccess
install.wim:1
indicates the mirror index number you want to use. Different versions of ISO may be slightly different and can be adjusted according to the actual situation.
This method is equivalent to extracting system files from external clean images to repair the current system, and is suitable for situations where local system image damage is serious.
4. Check the specific errors in log location
After a DISM run fails, a log file is generated, which can usually be found in the following path:
C:\Windows\Logs\DISM\dism.log
Open this log file and search for keywords such as "error", "fail", "corrupt", etc. to quickly locate which step is wrong. for example:
- "The system cannot find the file specified." means that the path is wrong or the file is missing
- "Component Store corruption detected" means the component storage is corrupted
- "Access is denied" means insufficient permissions
Finding solutions based on log information is much more efficient than blind trial and error.
Basically these common ways of dealing with it. Although DISM errors are annoying, they can be solved most of the time by the above method. The key is to figure out whether it is a permission problem, a corruption of the file, or a wrong path setting. As long as you investigate step by step, you can basically do it.
The above is the detailed content of DISM failed on Windows 10. For more information, please follow other related articles on the PHP Chinese website!

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