Uploaded September 2025 | Updated September 2026, 2 weeks ago

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👉 Are you facing problems with Microsoft Teams installation has failed errors on Windows 11, Windows 10, Windows 8, or Windows 7? Many users report that Teams does not open, does not start, cannot install, or won’t run after setup.

Hi, in this video we’ll show you 3 proven methods to fix Teams installation issues step by step. Whether you’re getting the error "Installation has failed. There was an error while installing the application." or seeing missing files like this guide will help you solve it.

The full related problem:
Microsoft Teams Installation Has Failed
There was an error while installing the application.
Check the setup log for more information and contact the author.

This issue often happens on Windows 11 Pro build 26058, but also affects Windows 10, Windows 8, and Windows 7 users. Many report that Teams stopped working, won’t reinstall, shows errors, or stays stuck on installation. Even after clearing cache, uninstalling, reinstalling, or using different installers like Teams_Windows_x64.exe , MSTeamsSetup.exe or MSTeamsSetup_c_l.exe, Teams still can’t install.

Don’t worry – in this video, you’ll learn:

How to fix Teams installation failed errors

How to solve Teams does not start or open

How to repair Teams can’t install or reinstall issues

3 working methods that are simple and effective

📌 Works for:
Microsoft Teams on Windows 11 / Windows 10 / Windows 8 / Windows 7

📂 Download Links & Tools Mentioned in Video

Winrar : win-rar.com/download.html?&L=0

7-Zip : 7-zip.org

Other Version of Microsoft Teams :

statics.teams.cdn.office.net/production-windows-x64/1.8.00.24759/Teams_windows_x64.exe

⏱ Timestamps / Chapters
0:00 – Intro
0:10 - How To Fix Microsoft Teams Installation has failed Error in Windows 11/10/8/7
0:28 - Method 1 : Fix ms Installation has failed (Restart the Windows Installer Service)
1:08 - Method 2 : Solve ms Installation has failed (Delete Microsoft Teams App Data)
1:50 - Method 3 : Fix Installation has failed teams issue (Extract the Installer)
3:00 - More Suggested Videos

📺 More Related Videos
▶️ Windows 11 Tutorials: youtube.com/playlist?list=PLFStktVg2e4lzGCbhRYBPhCB8vFncdToj
▶️ Windows 10 Tutorials: youtube.com/playlist?list=PLFStktVg2e4leA44bjCdxOg4u4sGB1ZGQ

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📢 Disclaimer
This video is for educational purposes only. Copyright Disclaimer under Section 107 of the Copyright Act 1976 allows for “fair use” for teaching, comment, research, and more.

🔍 Hashtags
#MicrosoftTeams #Windows11 #TeamsInstallationFailed #VictorExplains