Invalid PNG Image file: iDOT doesn't point to valid IDAT chunk

Question

I have some HTML content pages in an app and I\'m using a UIWebView to display them. Some of these pages have a PNG image in them that is generating the following message in th

Answer 1

Had the same problem. Solution: use "color sync utility" which is a standard program, you can load from launchpad. Open the png file and save it with the utility.