Symptoms
The following error messages are displayed:

• Error 2738
• Internal Error 2738
• Error 2738. Could not access VBScript run time for custom action.
• The module vbscript.dll was loaded but the call to Dll register Server railed with error code 0×80004005.

Cause

Error 2738 and error 2739 are usually generated when you attempt to install Certificate Lifecycle Manager (CLM) client on your computer. You may also encounter this error message while installing certain third-party applications on Windows Vista.

This error message indicates that the VBScript engine is not currently registered on the machine where the install/uninstall is taking place.

Resolution
The easiest way to fix “Error 2738”:
Click here to download Perfect Optimizer; install this repair tool, and click the “Repair All” button. Then you are done!

To fix this problem manually, try the following steps:

1. Click “Start” button, then click “Run”;
2. Type “regsvr32 vbscript.dll” (Please exclude quotation marks) in the text-box, then click “OK” button;
3. Reinstall your programs.
4. We strongly recommend that you download this tool and have a free diagnostic scan for your PC: Click here to free download.