Windows 10: Does it make sense to add the 'JavaScript disabled' OneDrive sync issue fix to the 'Fix...

I just finished a lengthy investigation to determine why my OneDrive wouldn't sync. Each time I tried to sign in, I received a notification stating: "Microsoft account requires JavaScript to sign in. This web browser either does not support JavaScript, or scripts are being blocked." See figure 1 below.Figure 1: OneDrive notification indicating JavaScript is blockedThe notification made me think my default web browser, Microsoft Edge, had JavaScript disabled. I confirmed that this was not the case.To find the problem, I began my search using the OneDrive help. I accessed the help by clicking on

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Sync issue in OneDrive

Hi Mingyuan, my name is Max and I'm an independent advisor.

I suggest you refer to this help article and check if that resolves the issue

Fix issues with sync on OneDrive

https://support.office.com/en-us/article/Fix-On...

 

OneDrive popup with a login, says JavaScript is disabled

OneDrive keeps popping saying it needs a login. Trying to login results in a message stating JavaScript is disabled. Now, I am 100% sure that JavaScript is enable and working correctly. And to make sure, I double checked the setting, the Dev Console, and
the is-javascript-enabled site.

I am able to access the folders and files on OneDrive, I just keep getting this prompt.

So what do I need to check next to get rid of this prompt?

 

OneDrive Sync Issue

Honestly, I don't understand why you haven't already tried to boot with WinPE or other live disk and manually remove the file? This example using Macrium WinPE boot disk, download Macrium Free and let it create a boot disk for you. Option to create one is shown automatically when you launch Macrium first time:

1. Switch to C: drive
   
2. Change the working folder to your OneDrive folder
   
3. Check that the file has no Read Only (r) and System (s) attributes set. As the file name in your case is quite long, you don't have to type the full name. Use the *.* wildcard to replace any number of characters in file name and any extension, in your case command attrib .849C*.* should be enough
   
4. If r and / or s attributes are shown for the file, remove them with command attrib .849C*.* -r -s
   
5. Check that attributes r & s are removed
   
6. Delete the file with del .849C*.*

(Steps 3 & 5 not necessary; step 3 because removing attributes as in step 4 removes them if set but does no harm if not set, and step 5 because the attrib command works for 100% sure if no error messages are given.)

The file should be removed now. You can test with command dir .849C*.*, it should not be shown anymore.