Teams not open - A JavaScript error occurred in the main process

Question

Hi I get the following error since yesterday. I worked correctly yesterday and this morning when starting up the computer it provided the following error message.

I uninstalled it and removed all the left over folders 

Then reinstalled it but the same error message pops up. 

 I saw somebody recommend to enable a service which did not work either.

Could somebody recommend a solution please.  I am using Windows 10 laptop.

Thanks, Claudia

Answer 1

I were able to fix it with 'Microsoft Visual C++ Redistributable' Latest version https://docs.microsoft.com/ru-RU/cpp/windows/latest-supported-vc-redist?view=msvc-160

Answer 2

Hi, 

I found the solution to my problem. My Downloads folder is on our network and as I need to connect via VPN to the network it was not available when starting  Teams during the start up of my computer.

Once connected to the network Tems worked fine. I moved my downloads folder now to my local drive, which resolved the problem

Answer 3

If the problem still persists then please run the MS Team app in compatibility mode & see if it make any difference:

• Right-click the MS Team icon on the taskbar then select quit.
• Then right-click the MS Team icon on the desktop > select properties > Under the compatibility tab, check the "Run this program in compatibility mode for" option then select Windows 8 from the dropdown list

Kind Regards

Answer 4

Hi Daniel, 

I can see the folder and file in the required folder and my user have the correct permission. 

Thanks, Claudia

Answer 5

Hi  

My name is Daniel. I am an Independent Advisor.

Please follow these steps:

1. Close the error message window.
2. Please open run dialog (Press Windows + R) then paste this command: %appdata%\Microsoft\
3. Try to find that the 'Teams' folder, Please make sure to Right-click on the view tab > check hidden items to see all folders.
4. If you still can not find it just manually add the "Team" folder in the correct location and try to open the Teams app again.

Disclaimer:

This is a peer-to-peer support forum. I'm an Independent Advisor & fellow MS forum users just like you, who are trying to help other users with their issues. I'm Non-Microsoft Staff.

Kind Regards