Support for Office products

Office Support Contact

Generic selectors
Exact matches only
Search in title
Search in content
Post Type Selectors

Microsoft Office 365/2021/2019 installation Error 30088-1015

This article describes the Microsoft Office 365/2021/2019 installation program Error code 30088-1015 solutions. It was found that many users having trouble to repair or install office 365/2021 programs on their Windows and Mac computers. The majority of issues are due to the Office licensingWindows updates, insufficient system resources like disk space, Internet connectivity, etc. 

So this article provides the solution for different kind of office issues related to Microsoft 365/2021/2019 installation error code 30088-1015 and error code 30020-1015 .

Microsoft Office 365/2021/2019 Error code 30088-1015 Returns following error messages

1.Something went wrong Error code 30088-1015 and error code 30020 office 2019 Go online for additional help

2. Office is Busy, There is a problem starting the Office Installation

3. We are sorry, but we are unable to start your Office 365/2021/2019 installation program

4. Sorry installation can’t continue because no compatible office 365/2021/2019 products are detected

5. We are sorry, but we can’t verify the signature of files required to install your office 365/2021/2019 product

6. Internet connection needed Office 365 Error 30088-1015 and 30020-1015

7. Background installation ran into a problem.


Something went wrong Error code 30088-1015 and error 30020-1015  Go online for additional help


When trying to start an Office application, you will get this error stating “Something went wrong“. If the operating system unable to add and/or remove the Office 365/2021/2109 products that you are requesting, It requests you to verify file’s signature that required to install the office 365/2021/2019 product. Usually, returns error code series 300XX, 1xxx series depends on the cause of the issue.


Office is Busy, There is a problem starting the Office 365/2021/2019 program Installation


The error “Office is Busy” appears when you try to open any office 365/2021/2019 program like word ,excel etc, and the office already in progress .it gives a message “we are either updating or helping you add/ or remove some office 365/2021 programs.

Error code 30088-1015


We are sorry, but we are unable to start your office 365/2021/2019 installation program


We are sorry, but we are unable to start your office 365/2021/2019 program is a common Microsoft office 365 installation error code 30088-1015 and error code 30020-1015 (0) in a windows operating system that causes due to failed services of a program. If there are Windows Installer services found to be not working, then you cannot install an Office 365/2019 product.


Sorry, we ran into a problem Error code 30088-1015 – Sorry installation can’t continue because no compatible office products are detected


Windows will show a message stating that your PC ran into a problem and needs to restart. A Microsoft Windows Operating system is released in two different bit versions depending on the hardware architecture such like 32 and 64. It is required to install relevant versions of office suitable for the Windows Operating systems. In case of any mismatch in the versions selected, you can see this error message that says no compatible office 365/2019 products are detected.


We are sorry, but we can’t verify the signature of files required to install your office 365/2021/2019 product


An Office 365/2019/2021 product package is available in different forms like a disc or a click to run. In the case of a disc failure, you might see this We are Sorry, But We Can’t Verify the Signature error message which says signatures of files required to install the office 365/2019 product.


Internet connection needed to Fix Office 365/2021/2019 Error code 30088-1015


While you performing the online repair for your office 365/2021/2019 product this error message may occur due to internet problems. You can do a quick offline repair. Also, Installation of Microsoft Office 365/2021 requires an internet connection depending on the version.


In the case of an intermittent connection or some connectivity failures, you end up seeing this Microsoft 365/2019/2021 installation Error 30088-1015.


Background Installation ran into a problem


Background Installation Ran into a Problem generally pops up when your Office 365 installation program related files are corrupted. It is required to repair your Office 365/2021/2019 program. In addition, we need to check for malware or virus related issues on your computer.

Background installation ran into a problem


Unable to start Microsoft Office 365/2021/2019 installation program


This message explains that the program has been stopped by your Windows and unable to start the office program. The computer must be scanned using Windows system file scan process. This also shows that Office related files are missing from office 365/2019 Program folders. If this happened recently with any of your clean up programs, a system restore could help you to fix the same.

Check your computer to Microsoft Office 365/2021/2019 Fix Error code 30088-1015

There will be a log for every action on your computer which records all the events. It is termed as an Event viewer. This is a Windows Inbuilt program under system tools, it provides all the information for the problem causing keys. This could cause due to the failure with your Windows related services and the executable file is unable to read the required files when you try installing Office 365/2019 Program.


Perform system file scan

To Run system file scan in your windows operating system, first

Open command prompt (CMD) in admin mode and run the command SFC/SCANNOW




If you see any file violations still exists after the scan then move to Event viewer to check what has caused the Microsoft office 365/2021/2019 installation error code 30088-1015. 


How to use Event viewer to check office error logs

1.Click on a start button

2. Type “RUN” and open the Run command prompt

3. Type “EVENT VIEWER” and press enter key to open Event viewer logs

error code 30088-1015

4. Double click on “windows logs” from the left-side panel and select “application”

5. Now you can see many logs in the centre panel

Filter the logs to find office related issues and warnings by selecting Filter current log option from the Right side panel. 

Find any critical, error logs the caused Microsoft office 365/2021/20109 error code 30088-1015.

If you can’t find any reasons for the issues then just take a chance to do a clean installation to save your time.

Remove Temporary Files

Under normal conditions, these files are closed and deleted by Windows when you quit a Windows session. However, if you quit Windows in an irregular way (for example, restarting the computer or turning it off during an active Windows session) the files are not closed or deleted.

To remove temporary files, follow these steps

1.Click on windows start button + “R” to open the run command window

2. Type “%temp%” and click on the enter button, this leads to a window with temp files and folders

3. Select all (CTRL+A) “Shift + Delete” to remove permanently

4. There may be some files that requires admin permission to remove, Just click on ok

Installing Office 365/2021/2019 Product

Once you have done the uninstallation part, now do a clean Microsoft office 365/2021/2019 installation

1.Login to your Microsoft office account

2. Go to your dashboard to see the office 365 product you purchased

3. Select “Install Office “ option and then let it download (you may see click SaveRunSetup, or Save File depends on browser type, select “save” for future purpose)

4. Go to downloads in your computer and Double click on office setup file to install

If the office 365/2021/2019 installation Error code 30088-1015 still persists then try an advanced registry fix if you are familiar with it.

Error code 30088-1015 Fix – by removing Office traces from Program files

Sometimes office won’t install due to several reasons like internet connectivity, dependencies for the product or any virus that affected your computer files etc. 

Then all you have to do a clean Office 365/2019 installation by removing traces of office 365/2021 program files existed from previous versions or by multiple office installation trails by you due to several errors.

In some cases, Office 365/2021/2019 installation may stop because of several reasons like slow internet, server issues etc. Then your machine creates some of files required to office 365/2010/2016 product. 

When you try to re-install this time, You may see issues like these type of office 365/2021/2019 installation error code 30088-1015 and different series based on the reason of failure. You have to delete these Office traces from the computer before trying the re-installation process.

Repair/Uninstall office 365/2021/2019 installation program

Applies To – Office 2016, Office for business, Office 365 Admin, Office 365 Small Business Admin, Office 2013



The following steps describe how to uninstall Office 2019 or 2021 products on a PC (laptop, desktop, or 2-in-1).
For other versions of Office, including Office 2019 for Mac, or older versions of Office, see the section, Uninstall Office for Mac, Office 2021, or Office 2007 below.
Try uninstalling Office using the Control Panel first. If that doesn’t work use the easy fix tool or try uninstalling Office manually.

For Windows 8 / Windows 11/10



1.Go to control panel from start button



2. Select Programs and Featuresthere to reach a list of installed programs on your computer (In windows 10 you can just type programs and features in the Cortana search bar beside windows start logo)



3. From the list, search for Microsoft Office product and click on Change


4. A window will open like here showing Add, Repair, Remove options



Then proceed to with repair and wait for sometimes. Once the repair is successful you are ready to use Microsoft office 365 product again.



To uninstall follow the first 4 steps from repair process, and choose to Remove instead of repair



IMPORTANT –. It’s impossible to uninstall office applications (word, excel, publisher etc) individually from total office product. The only way to uninstall an individual app is if you purchased it as a stand-alone version.

Windows Registry Fix for the Office 365/2021/2019 installation Error code 30088-1015

The registry in Windows is a console that shows the structure of your Windows Operating system and it’s internal programs. The Hex codes inside the registry may change due to some unwanted conflicting programs which use the same resources. 

To fix the Office 365 Error code 30088-1015 in office 365/2010/2016 you need to delete the altered Office Registry keys or remove and re-create the keys with previous values. (HEXA CODE or H-KEYS).

Note – Don’t do Registry changes if you are not aware of the structure, as it damages applications with one single change. Sometimes damages your computer operating system too.


At last, if you are still not able to resolve this issue Error Code 30088-1015. I am sure they will help you resolve this issue. If you like to see the procedure for paid support, to clarify, you may ask the Tech Available online.

Take a support from Online experts regarding any unresolved issues on your computer. Chat with our technician to fix your computer issues Now!

Chat with us for more Technical Support.

Scroll to Top