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- Download and install the repair tool here.
- Let it scan your computer.
- The tool will then repair your computer.
The Windows 0x8009310B error is caused by an unsuitable private key. If the private key is still on the server, it is possible to install the certificate and restore the private key. The following solution can correct the error; if it does not work, the certificate must be replaced.
Repairing a corrupted certificate
Open the DOS command prompt (cmd.exe).
Type : certutil -repairstore my “VALUE OF THE PRINTING OR SERIALNUMBER”.
Note: If you are not sure if you can find the THUMBPRINT or the SERIES, please follow these instructions. In addition, the certificate is sometimes unavailable and must be imported for this command to work. If you receive an error, make sure that the SERIES and/or THEMATIC PRINTING you are using are the EXACTS indicated in your certificate, as Windows sometimes inserts one or more question marks, resulting in failure.
Return to the IIS Manager and modify the shortcuts for this website again. (Where you can select the certificate)
Note: Sometimes you get an error, so just ignore the error and try again. When you try again, it may be that the certificate has already been selected and there is nothing else to do. If you do not see the certificate in the list, you may need to give it a friendly name in the MMC by changing its properties.
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Scanning folder
1. click on Start. choose Run.
2. enter SIGVERIF in the open field.
3. click on OK
4. Click on the “Advanced” button and select “Search for other files that are not digitally signed”.
5. Click on the Browse button in the “Search this folder” field and point to the folder C:\WINDOWS\SYSTEM32\CATROOT.
6. Check the “Include subfolders” box.
7. click on Ok, then on Start.
8. Once the scan is complete, a window containing a list of unsigned files appears.
Importing a certificate into the computer certificate store
- Creating a certificate Snap-In in an MMC console, by KB Solution SO1849
- In the left pane, expand the Certificates folder, expand it and select the Personal folder.
- Right-click on the Certificates folder in the Personal folder, choose All tasks, choose Import.
- The Certificate Import Wizard opens. Click on Next
- Click Browse, then browse to the file containing the SSL certificate. Click on Open > Next
- Make sure that “Place all certificates in the next list” is selected, make sure that “Personal” is listed for the certificate list, click Next > Finish.
https://stackoverflow.com/questions/26011760/cryptdecodeobjectex-bad-tag-error-0x8009310b
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