Recently, a lot of users reported to Microsoft about getting an error code 0x80096004 while trying to update their Windows 10 computers. This kind of Windows Update error occurs during the initial download and verification process. It also affects the Windows features (FODs) and when you encounter this error, you will also see this error code, “TRUST_E_CERT_SIGNATURE”. This error code indicates that the signature of the certificate could not be confirmed. This is caused by a broken certificate store or a corrupt copy of the Windows operating system is installed.
Here’s the complete error message:
“There were some problems installing updates, but we’ll try again later. If you keep seeing this and want to search the web or contact support for information, this may help: (0x80096004).”
To fix Windows Update error 0x80096004, you can check out the options provided below.
Option 1 – Delete the contents in the Software Distribution folder and Catroot2 folder
- Open the WinX Menu.
- From there, open Command Prompt as admin.
- Then type in the following command – don’t forget to hit Enter right after typing each one of them.
net stop wuauserv
net start cryptSvc
net start bits
net start msiserver
- After entering these commands, it will stop the Windows Update Service, Background Intelligent Transfer Service (BITS), Cryptographic, and the MSI Installer
- Next, go to the C:/Windows/SoftwareDistribution folder and get rid of all the folders and files thereby tapping the Ctrl + A keys to select them all and then click on Delete. Note that if the files are in use, you won’t be able to delete them.
After resetting the SoftwareDistribution folder, you need to reset the Catroot2 folder to restart the services you just stopped. To do that, follow these steps:
- Type each one of the following commands.
net start wuauserv
net start cryptSvc
net start bits
net start msiserver
- After that, exit Command Prompt and restart your computer, and then try to run Windows Update once more.
Option 2 – Run the Windows Update Troubleshooter
Running the built-in Windows Update troubleshooter is one of the things you can first check out as it is known to automatically resolve any Windows Update errors like error code 0x80096004. To run it, Refer to these steps:
- Tap the Win + I keys to open Settings.
- From there, click Update and Security and go to the Troubleshoot section.
- Next, select Windows Update and click the “Run the troubleshooter” button and wait until it’s finished, and then try to run Windows Update again.
Option 3 – Try to temporarily disable anti-virus and Windows Defender Firewall
As mentioned, the error could be due to the antivirus program or the Windows Defender Firewall installed on your computer. Thus, disabling them or any security software installed in your computer is always a good idea you can try when you’re not able to access the shared drive on your computer. There are times when you encounter problems like Error Code 0x80096004 due to interference of antivirus or security programs. Thus, you have to disable both your antivirus program and Windows Defender Firewall for the meantime and check if it fixes the error or not.
Option 4 – Try to replace the DLL file with a trusted source
You can also try to replace the crypt32.dll file as it could help in fixing the Windows Update error. Just make sure that you get one from a trusted source.
- First, you need to get the new DLL file from another computer with preferably the same file version number.
- After that, you need to boot your PC into Safe Mode and navigate to the paths listed below and then replace the file using a USB drive or other external storage devices.
- x86: This PC > C:/Windows/System32
- x64: This PC > C:/Windows/SysWOW64
- Next, type “cmd” in the Cortana search box and right-click on Command Prompt, and select “Run as administrator” to open it with administrator privileges.
- Now type the “regsvr32 crypt32.dll” command and hit Enter.
- Restart your PC and check if the error is now fixed.
Option 5 – Try downloading and installing the Windows Updates manually
Error Code 0x80096004 might be due to a Windows Update that has failed. So if it is not a feature update and only a cumulative update, you can download the Windows Update and install it manually. But first, you need to find out which update has failed, and to do so, refer to the following steps:
- Go to Settings and from there go to Update and Security > View Update History.
- Next, check which particular update has failed. Note that Updates that have failed to install will be displayed under the Status column which has a label of “Failed”.
- After that, go to the Microsoft Download Center and look for that update using its KB number and once you find it, download and then install it manually.
You can also use the Microsoft Update Catalog, a service from Microsoft that provides a list of software updates that can be distributed over a corporate network. With the help of this service, it can be easier for you to find Microsoft software updates, drivers as well as fixes.
Option 6– Run System File Checker or SFC scan
System File Checker or SFC is a built-in command utility that helps in restoring corrupted files as well as missing files. It replaces bad and corrupted system files to good system files. To run the SFC command, follow the steps given below.
- Tap Win + R to launch Run.
- Type in cmd in the field and tap Enter.
- After opening Command Prompt, type in sfc /scannow
The command will start a system scan which will take a few whiles before it finishes. Once it’s done, you could get the following results:
- Windows Resource Protection did not find any integrity violations.
- Windows Resource Protection found corrupt files and successfully repaired them.
- Windows Resource Protection found corrupt files but was unable to fix some of them.
Reboot your PC.
Option 7 – Try to run the Windows Update Service in a Clean Boot State
There are some instances that some conflicting programs installed in your computer might be the one that’s causing Windows Update error. To identify which program is causing the problem, you need to put your computer in a Clean Boot State. To do so, follow the steps below.
- Log onto your PC as an administrator.
- Type in MSConfig in the Start Search to open the System Configuration utility.
- From there, go to the General tab and click “Selective startup”.
- Clear the “Load Startup items” check box and make sure that the “Load System Services” and “Use Original boot configuration” options are checked.
- Next, click the Services tab and select the “Hide All Microsoft Services” check box.
- Click Disable all.
- Click on Apply/OK and restart your PC. (This will put your PC into a Clean Boot State. And configure Windows to use the usual startup, just simply undo the changes.)
- Now try to run the Windows Update Service again and see if Windows Update error 0x80096004 is now gone.