Why wont my computer let me close a window?
Why wont my computer let me close a window? Solution 1: Force quit the application. On a PC, you can press (and hold) Ctrl+Alt+Delete (the Control, Alt, and Delete keys) on your keyboard to open the Task Manager. On a Mac, press and hold Command+Option+Esc. You can then select the unresponsive application and click End task (or Force Quit on a Mac) to close it. Why can't I open my double glazed window? Reasons Why Your uPVC Window Won't Open The gasket is stuck to the frame. There's a build-up of dust and grit on the hinges. The spindle inside...