Side by side event errors are often related to a program needing Visual C++ runtime. I had this problem a couple of years ago with Dreamweaver and installing this package cured it completely. click here
I followed the path to the DPinstall/ia64 file and double clicked on it. A message appeared stating that this file is not compatible with the version of windows you are running (win7 HP) So I deleted the file. No more errors and it doesn't seem to have caused any problems.
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