I am trying to import a self-signed certificate into the local certificate store of the Trusted Root CAs on my Windows 8.1 machine, but that store is missing. Importing it into the Trusted Root CAs store doesn't work (i.e. browsers keep telling me that the certificate is not trusted).

So basically what I am looking for is this:

Enter image description here

My user account also had administrator rights on the machine, if it can help.

  • this a personal pc or company pc? – Ramhound Sep 11 '14 at 17:20
  • @Ramhound it's a personal PC – user1301428 Sep 11 '14 at 17:20
  • What do you mean by "local certificate store" and what error message are you getting? – harrymc Sep 14 '14 at 14:07
  • @harrymc image added. Also, no error message, that store is simply not there. – user1301428 Sep 14 '14 at 14:16
  • What certificate type are you trying to import? It by default will only show X.509 unless you choose another type. – Raystafarian Sep 14 '14 at 14:22

One can edit the certificates on the local computer this way:

  1. Start → Run: mmc.exe
  2. Menu: FileAdd/Remove Snap-in
  3. Under Available snap-ins, select Certificates and press Add.
  4. Select Computer Account for the certificates to manage. Press Next.
  5. Select Local Computer and press Finish.
  6. Press OK to return to the management console.

Once the local certificates are displayed:

  1. Click to open "Trusted root Certificate Authorities"
  2. Right-click on CertificatesAll tasksImport
  3. Browse to your certificate to import it.

You can save this console for future use via the menu FileSave As.

  • Great thanks! I guess they just removed that entry from Windows 8 then. – user1301428 Sep 14 '14 at 20:34
  • You can use preexisted console certlm.msc insted of create new one. – PetSerAl Sep 19 '14 at 21:20
  • @PetSerAl: certlm.msc doesn't exist on all Windows versions, while mmc does. – harrymc Sep 20 '14 at 6:45
  • so this seemed to work in Windows 8.1 until I rebooted, now Chrome is saying the certificate isn't trusted by the OS again... – Michael May 9 '15 at 20:53

I am not sure the answer selected actually answered the question. I was adding the certificate plugin in mmc like everyone else. To no avail this never showed the "Local Computer " store.

Instead of looking for and opening mmc.exe, search for and open certmgr.msc. This opens certificates for the current user. You can then continue on as before, and it will show you the "Local Computer" store.

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