1. Right-click the folder or disk that cannot be saved, and then select Properties.

2. Enter the property bar and select the security option. We can see the following edit, click to enter the modification.

3. Find your current account. In the permission box below, we can choose full control and confirm to save the changes.

4. To sum up, the electronic tax bureau of 360 browser shows that it has no right to save files in this location.