Here’s How to Fix Error Code 0-1011, 0-1005, 30088-1015 when Installing Office

By: Radu Tyrsina
3 minute read

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Today, I was talking about the fact that Microsoft has recently updated its Office 2016 Preview with a couple of new features, and also announced that there are around 1 million users. And now we’ve decided to talk about a frequent problem when installing Office.
fix office install error code 01011
If you are no stranger to the above screenshot, then you are in the right place, as Microsoft has published an official resource on how to fix error codes 0-1011, 30088-1015, or 0-1005 when installing Office on your system. Microsoft suggests that these error codes usually appear when you’re having a network connection issue or if your hard drive is running out of space.

So, of course, the first things you need to do are to check your internet connection and just make sure if everything is alright, and also make sure you have more than enough free storage space. If this still doesn’t solve the problem, here are some other steps that you could take:

1 – Temporarily turn off proxy settings

If you use your device both at home and at work, try turning off the proxy settings in Internet Explorer before you install. If you’re using a different browser, check their help to find out how to turn off proxy settings.

NOTE There might be more proxy settings that you need to bypass. If this doesn’t work, and you’re installing Office from work or school, check with your IT department for more information.

2 – Temporarily turn off antivirus software

If you need information about how to turn off your antivirus software, check your antivirus manufacturer’s website. Uninstalling your antivirus software may also help. Don’t forget to reinstall it after Office is finished installing!

TIP Not sure which antivirus software you have? Use the Control Panel in Windows 8, Windows 7, or Windows Vista to find the name of the antivirus software installed on your device.

3 – Temporarily turn off firewall

Turn off Windows Firewall in Windows 8 or Windows 7, or Windows Vista. If you’re using a firewall from another manufacturer, visit the manufacturer’s website for information about how to temporarily disable the firewall.

4 – Plug in!

Use a wired connection to the Internet, if possible. If this doesn’t work, try connecting at a different location, such as a friend’s house or a wireless hotspot.

5 – Install from home

If you’re trying to install at work or at school, the network might be limited in a way that won’t allow Office to install. Your IT department might be able to help you handle these limitations. If not, you could also take your computer home to install Office. After it’s installed, you’ll be able to use it at work or school as if you had installed it there.

6 – Increase hard disk space

To increase hard disk drive space, you can use Disk Cleanup to clean the system of unwanted files, or you can temporarily move large files like music, photos, or large documents to another drive.

Delete unnecessary files
In Windows 8, on the Start screen, type Disk Cleanup, and select Free up disk space by deleting unnecessary files.

In Windows 7, choose Start, type Disk Cleanup in the search box, and select Disk Cleanup.

If you see a Drives list, pick the hard disk drive you want to clean, and select OK.

On the Disk Cleanup tab, check the boxes of the files you want to delete, and select OK.

Disk Cleanup window

In the message that appears, select Delete files.

When cleanup is done, reinstall Office.

If you’re a home user, sign in to your My Account page page, and select Install.

If you’re a business user, sign in to the Office 365 portal at Office 365 portal and select Install.

NOTE If you still get the error message, free up additional space by moving some large files you identified to your OneDrive or another disk drive. You can move them back after Office installed successfully.


Also, you can try to remove and reinstall Office, of course, and try and run the Fix It tool, as well, as it has proven to be helpful in these situations. Leave your comments below and let us know whether you have found other potential fixes, as well.

READ ALSO: Disable ‘You Have New Apps That Can Open This Type of File’ in Windows 10

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