When you shift the focus elsewhere or if you click on the desktop, the box is expected to go away. Now in some cases, while the box may go away, the dotted square white border still remains. Now, this is not something to worry about and is known to happen at times, if you frequently face this issue, here are some suggestions that may help you.
Dotted square white border around desktop icons
If this issue annoys you and occurs often, try the following suggestions to make the white border go away:
1] Press the Tab key
Press the Tab key to shift the focus away from that icon.
2] Refresh Desktop
Right-click on the desktop and select Refresh to refresh the Desktop. TIP: You can change the Background Color of the selected or highlighted Text.
3] Restart Explorer
Open Task Manager, right-click on Windows Explorer and select Restart to restart Explorer.
4] Change Ease of Access Center settings
Open Control Panel > Ease of Access Center > Make keyboard easier to use > Uncheck Underline keyboard shortcuts and access keys > Apply.Change Icon Size Read next: How to change Translucent Selection Rectangle Box color.
5] Change Icon Size
As a last resort, you may need to change your icon size. If your current icon size preference is larger than the largest size picture available inside the icon file, a border is shown, with the icon shown inside the border. To resolve this issue, right-right on the desktop > Select View. If you have chosen large icons, set them to Medium and see. If you has chosen Medium, which is the default, set them to Small icons and see.
6] Universal Focus Rectangle Remover
Download Universal Focus Rectangle Remover. If you change your mind and want it back: All those steps should be done with administrative privileges. Get it from Neowin. Read: How to disable Pop-up description for folder & desktop items
Why is there a white square on my desktop?
When you select an area on your Windows desktop, the space gets highlighted with a semi-transparent blue color. On other occasions, the Desktop appears, completely transparent with a dotted outline marking its borders. But if you wish, you can hide or show Translucent selection rectangle. But it the white square appears to be permanent, you may need to update your Display drivers.
Why are there dotted lines around my desktop icons?
The white dotted lines indicate that the icon has been selected and it is normal Windows OS behavior. The box goes away when you shift focus. But if it does not, then the tips given in this post may help you.
