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Setting the Security — Security Menu
48
To remove an installed CA
certificate
1
In Internet Explorer, click in the order
Tools
,
Internet options
,
Content tab
and
Certificates
.
The
Certificates
dialog appears.
2
Select the certificate you want to remove.
The CA certificate is usually stored in
Trusted
Root Certification Authorities
.
3
Click
Remove
.
Do you want to delete the certificate
appears to
confirm.
4
Click
Yes
.
The certificate will be removed.
There may be a case that a certificate cannot be
removed by the steps above due to the type of
certificate. Check the installation condition and
remove it following the steps below.
Note
You need to log in as Administrator to perform these
steps.
1
Open
Run...
of the Windows menu, then enter
mmc
and click
OK
.
2
Select
File
in the
Console 1
window and
Add/
Remove Snap-in...
(when Windows XP
Professional is used).
Add/Remove Snap-in...
dialog appears.
3
Click
Add
to display
Add Stand-alone Snap-in
dialog.
You need to follow this step if using Windows XP
Professional.
4
Select
Certificates
from the list, then click
Add
.
Certificate Snap-in
is displayed.
5
Select
Computer account
as the certificate
administrated in this Snap-in, then click
Next
.
6
Select
Local Computer
as the computer
administrated in this Snap-in, then click
Finish
.
7
Close
Add Standalone Snap-in
(for Windows XP
Professional only) and
Add/Remove Snap-in...
dialogs.
The items for administrating
Certificates
appears
in the
Console Route
window.
Confirm the relevant certificate, then remove it.
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