Block you from uninstalling a program through Add or Remove Programs (or Programs and Features) in Control Panel. If you're trying to remove malware, you can use Windows Security (or another antivirus tool), or you can use the Windows Malicious Software Removal tool.

FIX: You may receive an access violation error message when you run an MFC application that contains an ActiveX Control inside a Tab control in Visual Studio 2005 Service Pack 1. Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

To determine whether any COM add-ins are loaded in Microsoft Word 2002 or in Microsoft Office Word 2003, follow these steps: On the Tools menu, click Customize. On the Commands tab in the Customize dialog box, click Tools. In the Commands list, click the COM Add-Ins command, and then drag the COM Add-Ins command to a toolbar.

Use the following instruction to manage and install add-ins. To install a new add-in: Select File > Get Add-ins. Alternatively, in Word, Excel and PowerPoint you can view your add-ins by selecting Home > Add-ins. You can directly install popular add-ins on the page or go to More Add-ins to explore. Select the add-in and select Add.

Discusses how you may receive a “Word cannot install the necessary files due to Windows Installer Error 1605” error message when you start Word 2003. This issue may occur if there is a problem with a template in the Word Startup folder.

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.

This article provides code samples that show how to programmatically check for the presence of a Windows Installer-based product by using its product code. The following is an example of how you can call the MsiGetProductInfoExW () method in Visual C++ to detect the presence of a specific product.

Add-ins are supplemental programs that add custom commands or custom features to Office programs. You can obtain add-ins for PowerPoint at Popular Office downloads or on third-party vendor websites. If you are a developer, you can write your own custom add-in programs by using Microsoft Visual Basic for Applications (VBA).

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.

Install this update to resolve a set of known application compatibility issues with Windows. The Windows Application Compatibility Update is a software update that improves the compatibility experience in the following Microsoft Windows operating systems: