安装Microsoft Office是一项轻松的任务，但有时事情不会按计划进行。发生这种情况时，您可能会看到Error code: 1603，这意味着很多。但不要太担心，因为有办法解决这个问题。

Office 安装错误代码 1603

我们将研究可以一劳永逸地解决您的问题的几个方面。如果一个技巧不起作用，只需转到另一个技巧并测试您的运气。

现在，根据我们的评估，上面的错误代码有时会在您安装Office时出现，而您的计算机上有不同的版本。例如，如果已经安装了Microsoft Office 商业^{(Microsoft Office Business)}版，但您正试图在此基础上添加家庭^(Home)版。

通常，在以下情况下会出现Windows Installer错误：

• Windows Installer正在尝试安装您的 PC 上已安装的应用程序。
• 您尝试将Windows Installer 程序^{(Windows Installer)}包安装到的文件夹已加密。
• 包含您尝试将Windows Installer 程序^{(Windows Installer)}包安装到的文件夹的驱动器将作为替代驱动器访问。
• SYSTEM帐户对您尝试将Windows Installer 程序^{(Windows Installer)}包安装到的文件夹没有完全控制权限。^{(Full Control)}

阅读^(Read)：错误 1603：安装过程中发生致命错误。

Microsoft Office在安装过程中遇到错误

如果您查看设置日志，您将提到错误 1603。当安装的版本与您尝试升级到的版本不同时，可能会发生这种情况。或者可能是权限问题。我们必须提供的建议是：

1. 重新启动系统并尝试
2. 以管理员身份运行升级
3. 检查是否已经安装了相同的版本
4. 如何重新安装文件

让我们从更详细的角度谈谈如何修复此错误。

1]重新启动系统并尝试

重新启动^(Reboot)系统并尝试一次，看看它现在是否可以工作。

2]以管理员身份运行升级

在这种情况下采取的第一步是以管理员身份运行升级。右键单击安装文件，然后选择以管理员身份运行。^(Run)

3]检查^(Check)是否已经安装了相同的版本

浏览^(Navigate)您的系统以确保尚未安装该应用程序。如果是，则卸载并重新安装。

我们可以通过单击Windows key + I设置^(Settings)应用程序，然后选择System > Apps > Apps & features来做到这一点。

从列表中找到Office应用。选择它，然后单击卸载^(Uninstall)以将其从您的计算机中删除。当您已经安装了另一个Office版本时，您通常会收到此错误。

在Windows 10上，设置^(Settings)如下所示-

修复^(FIX)：Windows 安装程序错误 1619。^{(Windows Installer Error 1619.)}

4]如何重新安装文件

在进行重新安装过程之前，请执行以下操作：

• 将软件包安装到未加密的文件夹：^{(Install the package to a folder that is not encrypted:)}仅当您安装程序的文件夹已加密时才使用此方法。
• 将软件包安装到不作为替代驱动器访问的驱动器：^{(Install the package to a drive that is not accessed as a substitute drive:)}如果您正在使用的驱动器作为替代驱动器访问，请使用此方法。
• 授予 SYSTEM 帐户完全控制权限：^{(Grant Full Control permissions to the SYSTEM account:)}如果系统帐户对您要安装软件的文件夹没有完全控制权限，则使用此方法。^{(have Full Control permissions on the folder)}

完成后，尝试再次安装该应用程序。

Fix Office installation Error Code 1603 on Windows 11/10

Installing Microѕoft Office is an effortless task, but there are timеs when things do not go according to plan. When this happens, you might see, Error code: 1603, and that means a lot. But do not worry too much about it because there are ways to solve this issue.

Office installation Error Code 1603

We are going to look at several aspects that could put an end to your problem once and for all. If one trick doesn’t work, simply move on to the other and test your luck.

Now, from our assessment, the error code above can show itself sometimes when you’re installing Office while there’s a different edition on your computer. For example, if the Microsoft Office Business edition is already installed, but you are attempting to add the Home edition on top of that.

Typically, it is a Windows Installer error that occurs when:

• Windows Installer is attempting to install an app that is already installed on your PC.
• The folder that you are trying to install the Windows Installer package to is encrypted.
• The drive that contains the folder that you are trying to install the Windows Installer package to is accessed as a substitute drive.
• The SYSTEM account does not have Full Control permissions on the folder that you are trying to install the Windows Installer package to.

Read: Error 1603: A fatal error occurred during installation.

Microsoft Office encountered an error during setup

If you take a look at the setup log you will error 1603 mentioned. This can occur when the installed edition is different from the one you are trying to upgrade it to. Or it could be a permission issue. The suggestions we have to offer are:

1. Reboot your system and try
2. Run the upgrade as an admin
3. Check if the same version is already installed
4. How to reinstall the file

Let us talk about how to fix this error from a more detailed point of view.

1] Reboot your system and try

Reboot your system and try once and see if it works now.

2] Run the upgrade as an admin

The first step to take in this situation is to run the upgrade as an administrator. Right-click on the installation file, then select, Run as administrator.

3] Check if the same version is already installed

Navigate through your system to make sure the app is not installed already. If it is, then uninstall and reinstall again.

We can do this by opening the Settings app by clicking on the Windows key + I, then select System > Apps > Apps & features.

Find the Office app from the list. Choose it, then click on Uninstall to remove it from your computer. You usually receive this error when you already have another Office version installed.

On Windows 10, the Settings look like this-

FIX: Windows Installer Error 1619.

4] How to reinstall the file

Before going through with the re-installation process, please do the following:

• Install the package to a folder that is not encrypted: Only use this method if the folder you’re installing the program to is encrypted.
• Install the package to a drive that is not accessed as a substitute drive: Use this method if the drive you’re using is accessed as a substitute drive.
• Grant Full Control permissions to the SYSTEM account: If the system account does not have Full Control permissions on the folder you are installing the software to, then use this method.

When you’re done, attempt to install the app again.

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