Nextcloud Client Fix Chunking CloudFlare
Windows Fix
Press Win+R on your keyboard to open the Run application. Past the following in the dialog box:
%APPDATA%\Nextcloud\nextcloud.cfg
This will either ask you to pick an application to open nextcloud.cfg or will open in your default text editor (unless you have something else set to open .cfg files). If it asks you to pick an application, feel free to use Notepad or any other editor.
Add the following line under the [General] section:
Save the file, quit Nextcloud desktop, and start it again.
MacOS Fix
Open a Finder window and press Command+Shift+G on your keyboard. This will bring up a 'Go to folder' window. Paste the following in the dialog box:
$HOME/Library/Preferences/Nextcloud
Open the nextcloud.cfg file. If you do not have a default editor for .cfg files, feel free to open the file with TextEdit.
Add the following line under the [General] section:
Save the file, quit Nextcloud desktop, and start it again.
Linux Fix
Open a terminal window and edit the following file:
nano $HOME/.config/Nextcloud/nextcloud.cfg
Add the following line under the [General] section:
Save the file (Ctl+o, Ctl+x), then quit Nextcloud desktop, and start it again.