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# Click Start, and then click Run.
# In the Open box, type dcomcnfg, and then press ENTER.
# In the Distributed COM Configuration Properties dialog box, click the Default Properties tab.
# Click to select the Enable Distributed COM on this computer check box.
# Under Default Authentication Level, click Connect.
# Under Default Impersonation Level, click Identify.
# Click the Default Security tab, and then click Edit Default under Default Access Permissions.
# In the Registry Value Permissions dialog box, do one of the following:
* If the Name box includes the SYSTEM account, click OK.
* If the Name box does not include the SYSTEM account, click Add. In the Add Users and Groups dialog box, click SYSTEM under Names, and then click Add. Click OK two times.
# Under Default Launch Permissions, click Edit Default.
# In the Registry Value Permissions dialog box, the Name box must contain the following three accounts: Administrators, INTERACTIVE, and SYSTEM. If any are missing, click Add, click the missing account in the Names box (you can select more than one account by holding down the CTRL key and then clicking each account name), click Add, and then click OK two times.
# Under Default Configuration Permissions, click Edit Default.
# In the Registry Key Permissions dialog box, the Name box must contain the following six accounts: Administrators, Power Users, Users, Creator Owner, Everyone, and SYSTEM. If any are missing, click Add, click the missing account in the Names box (you can select more than one account by holding down the CTRL key and then clicking each account name), click Add, and then click OK two times.
# Click the Applications tab, click {000C101C-0000-0000-C000-000000000046}, and then click Properties.
# Click the General tab, and then click Default in the Authentication Level box.
# Click the Security tab, and then click Use default access permissions, Use default launch permissions, and Use default configuration permissions.
# Click Apply, and then click OK.
# Restart the computer.