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.

当您尝试创建新的拨号网络连接或打开一个拨号网络文件夹中时，您可能不能以安装新调制解调器向导中选择您的调制解调器。 当您打开拨号网络时提示您安装调制解调器。 此设备工作正常。 如果您在控制面板中打开调制解调器工具，然后单击诊断选项卡中的详细信息您不会收到任何错误消息。 如果一个 TAPI 组件已损坏或丢失，或者如果在注册表中引用第三方电话语音驱动程序，该驱动程序已损坏或者与 Windows 不兼容，则可以出现此行为。 若要解决此问题，请按照每一种方法。 每个方法的末尾进行测试以查看问题是否已解决。 警告： 如果注册表编辑器使用不当可能会导致严重的问题，可能需要您重新安装操作系统。 Microsoft 不能保证您可以解决导致注册表编辑器使用不当的问题。 使用注册表编辑器需要您自担风险。

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.

當您嘗試建立新的撥號網路連線，或開啟一個 [撥號網路] 資料夾中時，您可能無法在安裝新數據機精靈中選取數據機。 當您開啟 [撥號網路時系統會提示您安裝數據機。 這個裝置運作正常。 如果您在控制台中，開啟 [數據機] 工具，然後按一下 [診斷] 索引標籤上的 [其他資訊，您不會收到任何錯誤訊息。 如果其中一個 TAPI 元件損毀或遺失，或協力廠商的電話語音驅動程式參考在登錄中，而且該驅動程式已損壞或與 Windows 不相容，就會發生這個問題。 如果要解決這個問題，請依照下列每個方法中的步驟。 在每一種方法最後，測試看看問題是否解決。 警告： 不當使用 「 登錄編輯程式 」 可能會導致嚴重的問題，甚至必須重新安裝作業系統。

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.

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.

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.

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.

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