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

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

When you install, uninstall, or update a program on a Windows-based computer, you may receive one of the following error messages. The Windows Installer Service could not be accessed. Windows Installer Service couldn't be started. Could not start the Windows Installer service on Local Computer. Error 5: Access is denied.

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.

Describes how to use the clean boot process to troubleshoot a problem in Windows 8.1, Windows 8, Windows 7, or Windows Vista.

When you click the Internet Options command on the Tools menu in Internet Explorer, you may receive the following error message: This operation has been canceled due to restrictions in effect on this computer. Please contact your system administrator.

There are different ways to modify the startup settings. Expand each section to learn more: Here's a list of startup settings that you can choose from. To select one, use the number keys or function keys F1-F9: Enable debugging. Starts Windows in an advanced troubleshooting mode intended for IT professionals and system administrators.

When you try to install a particular third-party color printer driver from the website, the installation fails. Additionally, you receive the following error message: This issue occurs because both the .webpnp file and the driver package contain the same .icm file.

The exit code describes a STATUS_DLL_INIT_FAILED issue. This issue is resolved temporarily when you stop the PowerShell script and then restart the PowerShell console. Cause

In this article, we will help you find your error code and suggest what you might try to correct the error. For general issues within Device Manager, see the following articles: For issues with specific device types, also see the following articles: First, try any of the following common resolutions to correct the error: