To resolve this issue, follow the steps in each method. At the end of each method, test to see if the issue is resolved. WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system.

Provides links to the uninstall tools and directions for many security programs.

Alternatively, if installation doesn't start automatically, browse the disc to find the program setup file, usually called Setup.exe or Install.exe. Open the file to start installation.

Download the drivers for the desired device from the device manufacturer's site. Make sure to download the correct drivers that match the version and architecture of Windows. Once downloaded, if necessary, uncompress the downloaded drivers. Make a note of where the drivers are located on the Windows device.

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.

Use the System File Checker tool to repair missing or corrupted system files. When critical Windows system files are missing or corrupted, some Windows features may stop working correctly or Windows may stop responding altogether.

To run a Control Panel tool in Windows, type the appropriate command in the Open box or at a command prompt. NOTE: If you want to run a command from a command prompt, you must do so from the Windows folder.

System Configuration is a system utility that allows you to troubleshoot issues with Windows startup. It provides options to customize the startup process, including the ability to enable or disable software, control startup services, and access other advanced system settings.

First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open. The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code.

Learn how to optimize system performance by managing startup applications in Windows.