Error message windows installer not installed

Click OK , and then click Restart to restart the computer. Install Office again. When you are prompted to enter the product key, type the product key, and then click Next. Office will be installed, and you will not be prompted for the product key when the programs start. This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully.

For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, see How to back up and restore the registry in Windows. Note Because there are several versions of Microsoft Windows, the following steps may be different on your computer.

If they are, see your product documentation to complete these steps. Click Start , and then click Search. In the File name box, type Msiexec. After the search is complete, make a note of the location of the Msiexec. On the File menu, click Close to close the Search dialog box. In the Open box, type regedit, and then click OK.

On the Desktop, right-click Msirepair. If you are prompted to enter an administrator password or provide confirmation, type the password, or click Continue. Right-click cmd. Click Start , type services. In the Startup type drop-down list, check that the value is set to Manual. If an earlier version of the program that you want to install is already installed on the computer, follow these steps:.

You install or remove a program that uses the Microsoft Installer Service before you try to install the program on your computer. For more information about this issue in Windows XP and Windows Server , click the following number to view the article in the Microsoft Knowledge Base:. Method 1: Reset the Windows Installer Service settings in the registry.

To do this, follow these steps: Click Start , and then type Notepad in the Search box. Under the Programs heading, click Notepad. Copy the following text, and then paste it into a notepad: Windows Registry Editor Version 5. Click Yes when you are prompted to install the registry keys.

Restart the installation process for the program that you want to install. To check that the Windows Installer Service is running, follow these steps: Click Start , type services.

Method 3: Uninstall any earlier versions of the program that you want to install. If an earlier version of the program that you want to install is already installed on the computer, follow these steps: Click Start , click Control Panel , and then click Uninstall a Program under Programs.

Select the program in the list that you want to install. Restart the computer. Step 8: After a while, the restore process should be completed. Then you can exit MiniTool Recovery Environment and set your computer to boot from hard drive. Then you can check whether your computer can boot successfully. And the result is successful.

When installing the operating system, you may come across the error Windows 10 installation has failed. This error may occur in the middle of the installation. So, in the following section, we will show you how to fix the error that Windows 10 installation has failed. In order to install Windows 10 on your computer, you need to check whether your computer meets the minimum requirement.

So, you need to check the following parameters. If your computer cannot meet the above requirements, you may come across the error that Windows 10 installation has failed. In order to fix the error that Windows 10 installation has failed, you may try rebuilding BCD. If you come across the error Windows 10 installation has failed, you can choose to install Windows 10 in Clean Boot.

We think the fifth way to solve Windows installation issue is more effective and more reliable. Now, it is your turn to have a try. Of course, if you have any better solution to Windows 10 installation failed issue, you can share it on the comment zone.

Or if you have any problem with MiniTool ShadowMaker, you can contact us via the email [email protected]. Download Shadowmaker. Summary : Have you ever gotten stuck with the Windows installation error Windows could not complete the installation when updating your operating system?

Tip: It is recommended to create a restore point or create a system image when your computer works normally. You can take advantage of the restore point or system image to roll back to previous Windows state if some accidents occur on your computers.

Tip: If it requires a product key and you have one, you can enter it now. Tip: It is recommended to create the system image on an external hard drive.