Summary
Description
This article discusses how to fix the following issue:
All tabs are missing on the Inventory Item Maintenance screen:

Usually, the Inventory Item Maintenance screen should include the tabs as seen below:

Cause
The following steps explain hwo the above issue can be recreated:
1. Go to Administration | System Configuration | System Wizard.

2. On the Access Control tab, the Rule Access option is unselected.

3. This setting means that any newly created will observe the above issue.
Resolution
Consider the following advice to resolve the above issue:
A. Rule Access
Option 1:
1. Ensure all agents are logged out of the company.
2. Select the Rule Access | Access option.

Option 2:
If you prefer that the Rule Access option should be unselected by default, consider the following solution:
1. Login with agent Admin.
2. Go to Administration | Agent Administration.
3. find and edit the first relevant agent.
4. On the Access Permissions, select the Access option next to the Inventory node below.

5. If you log on with the relevant agent, the tabs should be back again.

B. Registry Editor Key corruption
If the same issue is still observed after applying the above steps, open this link for a detailed article that discusses how to delete an Agent Registry Editor Key.
Apply the steps in this article.