This Will Help! Hey, i might be a little late for this reply but I'm giving the method which worked for me. It might help other people also, that's why. Change the Decimal Symbol Setting The problem could occur if the decimal symbol is not set to “.“(dot). This situation is common in languages other than English(United States). 1) Follow the path Control Panel (View by Category)> Clock, Language, and Region. 2) Click Region and Language. 3) Click Formats, then click Additional settings. 4) In the Decimal symbol field, type . (dot) and then click OK two times. 5) Restart your computer after the change. Microsoft Office Error Code 0x80070057 This error is also commonly seen when you are tying to install Microsoft Office or in the middle of using it. To solve this problem, you can temporarily disable firewall and disable antivirus software. To turn off firewall in Windows, you could follow the steps below. 1) Follow the path Control Panel > System and Security > Windows Firewall > Turn Windows Firewall on or off. 2) You could choose the option Turn off Windows Firewall (not recommended) temporarily until the error got fixed. 3) Repair the Office Click-to-run application. Right-click Start button and find Uninstall a program under Programs, and click it. Scroll mouse to look for Microsoft Office 365 and click Change. You need to restart computer and try the installation again. There are a few other methods that I referred to to fix [0x80070057 Error. I would urge you to have a look. This answer from Microsoft will help too.