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Sunday, February 12, 2012

Skype will not open! Help!

So I noticed a few days ago that Skype would not launch. When I tried, the loading cursor would show for just a second and then... Nothing. I fired up TaskMgr to get a good reading on Memory Usage and the such and noticed that as soon as I fired up Skype it would pretty much load for a few seconds and then close. Naturally, I fire up the Event Viewer to see if Skype is logging anything useful during the crash.


Sure enough, Skype is throwing some access violation faults. Now I don't know about you guys, but the majority of the time when an application complains about access violations it's normally 1 of 3 things... Your RAM is having issues, you have a rootkit, or filesystem infection of some sort. Of course hundreds of other reasons exist, these just happen to be the most common in my experience. So I attempted to fire up Kaspersky's Rootkit Removal tool [TDSSKiller], but it failed with the same access violation.

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At that point I knew something was seriously wrong and grabbed my entire Virus Combat Kit. Which is basically composed of GMER, ComboFix, TDSSKiller, and an updated installer for NOD32 to install once the machine has been cleaned. To make a long story short GMER lead me to discovering that AirfoilInject3.dll was being injected into all of my apps to hijack audio. However, I had uninstalled the bonjour service earlier in the week, crippling AirFoil because it depended on that service. Essentially, AirFoil was injecting apps with its crippled system and causing issues in many other apps. If you had read my post about Flash being broken in Google Chrome, you would know it took me quite sometime to trace this as the root cause. The simple fix is to uninstall AirFoil. There are several applications which "hook" into various Windows Features. If these special apps crash or fail to hook properly, they can cause serious instability issues with the system.



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