When trying to edit a picture in Mac OS X Preview, you may receive an error message that you don’t have permission to edit the file. This seems to be a bug in Preview.   You don’t own the file “” and don’t have permission to write to it.

Resolve Mac OS X Preview Application issues including crashing or unsaved changes. You can run these Terminal commands to clear Preview cache and recent items.   1. Quit Preview.  2. Open Terminal on Mac OS X (Application -> Utilities -> Terminal) 3. Type the following commands in Terminal. (You can copy and paste)

You can debug Safari on iOS the same way in Mac OS X. In order to do this, you will need a Mac computer to actually preform and analyze a Safari Web Browser debug capture. Follow these steps.   1. Plug your iPhone or iPad to your Mac. 2. Go to Settings -> Safari -> Advanced...

If you are trying to open a website that is using https or http on your iPhone or iPad, you may receive the following error browsing a website using Safari. The error also happens either over Wi-Fi or using Cellular data.   Safari cannot open the page because the network connection was lost.   You may...

You can easily change the color of any calendar added to your iPhone. Follow these steps.   Customize iPhone Calendar Color   1. Open your Calendar App on your iPhone.  2. Select Calendars at bottom.   3. Find the Calendar added on your iPhone you want to change the color for.