Whilst there can be many reasons for a bootloop on an Android device, if your device exhibits the problem only when your SD card is plugged in, this may be your problem.
A tale of shortcuts, commandline switches, %L, and ZoneAlarm. Sometimes I hate being the techy in my house…
I recently had this problem, and since it broke my PC for like 4 hours, and couldn’t find ANY solution online, I thought I’d share. I’m gonna vent the whole process to you, or if you are just wanting the fix, scroll down the article.