Error code 30015-6- How To Fix Microsoft Office On Windows 10

Error code 30015-6 may see on Windows 10 computer when you’re trying to installing Office. Error code 30015-6 can also appear on your computer when you try to update or uninstall Office. Microsoft Office cannot install successfully on your PC because of the corrupt system files. There could be more different reasons on your PC that cause an error code 30015-6 during Office install or update.

What is error code 30015-6?

Microsoft Office is a complete utility software that you use in your day-to-day life to make your works easier. In other words, Microsoft Office is a group of different small apps, and it contains MS Word, MS Excel, MS PowerPoint, MS Outlook, MS Publisher, MS Access, OneNote, Visio, OneDrive, and Skype. First, you need to install Microsoft Office on your Windows 10 PC to use these apps.

Error code 30015-6 is an error message explaining the cause of the problem that happens when you try to install Microsoft Office. You see a popup on your PC screen with an error message that tries to explain the cause.

Office error code message

Sometimes, you may also see the error code 30015-6 when trying to update the Office apps or uninstall Office from your PC.

In this article, we’ve listed the solutions to fix the error code 30015-6. You should follow them first to remove the error message on your Microsoft Office.

Cause of error code 30015-6

Usually, error code 30015-6 occurs due to internet connection problems and insufficient space on your PC disk. Not only internet problems but there are also more reasons Microsoft Office fail to install on Windows 10 PC.

Here, we’ve listed those factors that cause Office Install error.

  • Windows corrupt files,
  • Administrative privileges,
  • Internet connection,
  • Multiple copies of MS Office,
  • Insufficient space on PC Drive,
  • The last Office Uninstall was not done completely, ETC.

Also, there is a chance of different factors that cause an error on Microsoft Office on your PC. For more information, you should call an Online or Offline Tech person. Tech Man will analyze Microsoft Office issues on your PC and fixes the error message.

Now, read and follow the steps to fix MS Office Install error message on Windows 10 PC.

How to Fix Microsoft Office error code 30015-6

You can resolve problems with Microsoft Office that occur during installing on your PC. Follow the steps mentioned in this article.

Solution 1: Repair Office from Control Panel

Microsoft Office stops working correctly when Office files are infected by corrupt system files. You cannot install, reinstall, update, or start an Office app. To fix common errors in the Office program, please repair your Office using the inbuilt Office Repair Tool.

Office Repair Tool can repair all corrupt and damaged system files and fix almost all problems with Office. In Windows, you can access the Office repair tool from Control Panel or Apps and Features settings.

You’ll see two different modes of repairing options. One is Quick Repair, where you can repair Office without an Internet connection. Second is Online Repair, where you can repair Office with the help of an Internet connection, and you’ll fix almost every error in Office apps.

Repair Office in Windows 10

  1. Go to Start.
  2. Type Apps and Features and click Open.
  3. Search Microsoft Office apps in the search bar.
  4. Select Microsoft Office and click Modify.
  5. Choose Quick Repair or Online Repair.
  6. Click Repair.
  7. Select YES when the tool asks permission to make a change in the Office program.
  8. Wait until repairing is finished.

Repair Office in Windows 8/8.1

  1. Press Windows key and R to open Run.
  2. Type Control Panel and select OK.
  3. Select uninstall a program under the Programs category.
  4. Select Microsoft Office and click Change.
  5. Choose Quick Repair or Online Repair.
  6. Click Repair.
  7. Select YES when the tool asks permission to make a change in the Office program.
  8. Wait until repairing is finished.

Repair Office in Windows 7

  1. Go to Start.
  2. Type Control Panel and click Open.
  3. Select uninstall a program under the Programs category.
  4. Select Microsoft Office and click Change.
  5. Choose Quick Repair or Online Repair.
  6. Click Repair.
  7. Select YES when the tool asks permission to make a change in the Office program.
  8. Wait until repairing is finished.

Solution 2: Disable Windows Firewall while troubleshooting Office error

You’ll see an error when Microsoft Office fails to install. The problem occurs due to the Windows Firewall rule. The Office installation was blocked by Microsoft Defender Firewall. You can disable Firewall while troubleshooting the Office error and re-enable it after fixing it. You can also make an exception rule for Office in windows firewall.

Microsoft Defender Firewall is an essential security component of the Windows operating system. This will provide safety from online malware and hacker attacks. But, temporarily disable of Firewall while fixing the Office program error is safe. Please, don’t forget to re-enable after troubleshooting Office.

Temporarily disable Windows Firewall in Windows

  1. Go to Start.
  2. Type Windows Defender Firewall and click Open.
  3. Select Turn Windows Defender Firewall on or off to open.
  4. Choose turn off Windows Defender Firewall for both types of networks.
  5. Click OK.

You cannot disable Windows Firewall from Control Panel when you’re using an antivirus app from a third-party service. You can disable it from your antivirus app. Also, you’ve got the option to uninstall the antivirus and reinstall it after fixing it.

Temporarily disable Firewall from antivirus

  1. Open Antivirus app.
  2. Go to settings.
  3. Disable real-time protection and firewall services.

For more information to disable your antivirus, go to your vendor website or get help online.

Solution 3: Uninstall Office

The following steps describe how to uninstall Office products on a PC (laptop, desktop, or 2-in-1). For Mac, see Uninstall Office in Mac.

Tip: Uninstalling Office only removes the Office applications from your computer, it doesn’t remove any files, documents, or workbooks you created using the apps.

In most cases, repairing will resolve the problem. But, in your case, if repairing was not troubleshooting your issues, then you should uninstall all preinstall or partially installed Office files and services.

Option 1: Uninstall Office from Control Panel

  1. Go to Start.
  2. Type Control Panel and click Open.
  3. Click Uninstall a program under the Programs category.
  4. Select Microsoft Office that you want to uninstall.
  5. Click Uninstall.
  6. Select Uninstall again.
  7. Wait until uninstall is finished.

In most cases, when you’re performing uninstalling process from Control Panel, Office will not completely uninstall from your computer. As a result, you’ll see an error message when you’re trying to reinstall Office on your computer.

The manual uninstallation of Office from your computer is a complex and longtime process. The process is required technical expertise. If you’re not, please don’t try to yourself. Any wrong steps cause system data loss or damage your computer configuration.

If anything goes wrong, you might need to reinstall your operating system. You should need to take help from your family or colleague who has enough knowledge of the technical. Also, you can contact your tech person to remove Office manually from your computer.

Option 2: Manually Uninstall Office

IMPORTANT: Before you start, you need to know removing Office manually is a long, complex process and might require that you reinstall the operating system if certain steps are done incorrectly.

Determine your installation type

Before you begin the manual steps, determine your Office installation type so you can choose the correct way to uninstall it:

  • Click-to-Run is a new way to install and update Office over the Internet and it works similarly to streaming video. By default, the latest version of Office is included in Microsoft 365, and most one-time purchases of Office 2019 and Office 2016 products (such as Office Home & Business are installed by using Click-to-Run.
  • MSI, (also known as the Microsoft Windows Installer), is the traditional way of installing Office via a local installation resource.
  • Microsoft Store app is an installation of Office from the Microsoft Store on some Windows 10 computers.
To determine your installation type do the following
  1. Create or open an existing file and select File > Account (or it might say Office Account).
  2. Under Product information, find the About button and check for the following:
  3. Click-to-Run: Click-to-Run installations have a Version and Build number, and include the phrase Click-to-Run.
  4. MSI: An MSI installation doesn’t have a Version or Build number besides About Office.
  5. Microsoft Store: Microsoft Store installations have a Version and Build number, and include the phrase Microsoft Store.

Next, select your installation type and then follow those steps to uninstall Office.

Manually uninstall Office

Before you begin, make sure that you log on to Windows with an administrator account. If you’re not sure if you have an administrator account, see how to determine your user account type in Windows.

Step 1: Remove the Windows Installer packages

  1. Find the Office 16 installation folder, typically located in C:\Program Files\.
  2. Right-click the Microsoft Office 16 folder and select Delete.

Step 2: Remove the Office scheduled tasks

  1. Open a Command Prompt window as an administrator.
  2. At the command prompt, type the following commands and press Enter after each one:
schtasks.exe /delete /tn "\Microsoft\Office\Office Automatic Updates"
schtasks.exe /delete /tn "\Microsoft\Office\Office Subscription Maintenance"
schtasks.exe /delete /tn "\Microsoft\Office\Office ClickToRun Service Monitor"
schtasks.exe /delete /tn "\Microsoft\Office\OfficeTelemetryAgentLogOn2016"
schtasks.exe /delete /tn "\Microsoft\Office\OfficeTelemetryAgentFallBack2016"

Step 3: Use Task Manager to end the Click-to-Run tasks

  1. Open Task Manager.
  2. Windows 10: Right-click Start, and click Task Manager. (The keyboard shortcut Windows logo key + X also works to open the access menu.)
  3. Windows 8 or 8.1: Point to the upper-right corner of the screen, move the mouse pointer down, and then click Search. Type Task Manager in the search box, and then click Task Manager in the results.
  4. Windows 7: Right-click an empty area of the taskbar, and then click Start Task Manager.
  5. Click the Process
  6. If the following processes are running, right-click each one, and then click End task in Windows 10, End Task in Windows 8 or 8.1, or End Process in Windows 7 after you select each process.

Step 4: Delete the Office service

  1. Open a Command Prompt window as an administrator, type the following command, and then press Enter:
sc delete ClickToRunSvc

Step 5: Delete the Office files

  1. Press Windows logo key + R to open the Run dialog box.
  2. In the Open box, type %ProgramFiles%, and then click OK.
  3. Delete the “Microsoft Office 16” folder.
  4. Delete the “Microsoft Office” folder.
  5. Open the Run dialog box, type %ProgramFiles(x86)%, and then click OK.
  6. Delete the “Microsoft Office” folder.
  7. Open the Run dialog box, type %CommonProgramFiles%\Microsoft Shared and then click OK.
  8. Delete the “ClickToRun” folder.

Note: If you can’t delete a folder or an open file or that’s being used by another program, restart the computer, and then try again. If you still can’t remove the folder, go to the next step.

Step 6: Delete the Office registry subkeys

Important: Follow the steps in this section carefully. Serious problems may occur if you modify the registry incorrectly. Before you start, back up the registry for restoration in case problems occur.

  1. Open Registry Editor.
  2. Windows 10: Right-click Start, click Run, type Regedit, and then click OK.
  3. For Windows 8 or 8.1: Right-click Start, click Run, type Regedit, and then click OK.
  4. Windows 7: Click Start, type Run in the Start Search box, and then click Run in the results.
  5. Delete the following registry subkeys:
HKEYLOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Microsoft Office <Edition> - en-us
Delete the Office key.

Note: In the subkey in the third bullet item, “Microsoft Office <Edition>- en-us” represents the actual program name. This name depends on the Office 2016 edition and the language version that you installed.

Step 7: Delete the Start menu shortcuts

  1. Open a Command Prompt window as an administrator.
  2. Type %ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs, and then press Enter.
  3. Delete the “Microsoft Office 2016 Tools” folder.
  4. Delete each of the “<application> 2016” shortcuts for each of the Office 2016 applications. For example, “Word 2016”, “Excel 2016”, “PowerPoint 2016”.

Download and Install Office

After complete the method first, second, third, and fourth you need to download and install Microsoft Office on your PC. Here, we’ve listed the step to download and install the Office app on your Windows 10 PC. Follow the step to reach your Office app and use the app without any more error messages.

Follow the step to download Microsoft Office-

  1. Open your PC Web browser. (Chrome, Edge, Mozilla Firefox, Safari, ETC)
  2. Type and press Enter.
  3. Click Sign in.
  4. Enter your Microsoft account email and password to access your Online Office account.
  5. Click Install Office.
  6. Choose the Microsoft Office product that you want to download.
  7. Select Download.
  8. Save the Microsoft Office setup file as your chosen location on your PC.

Follow the step to install Microsoft Office on your PC-

  1. Open the Office setup file and select Run.
  2. Wait until Microsoft Office is installed on your PC.
  3. Open any Office app on your PC. (MS Word, MS Excel, MS Outlook, ETC)
  4. Sign in with your Microsoft account to activate your Office product.

Now you can enjoy your Microsoft Office app without any error message.