Posted by: evtechie | April 28, 2009

Mystery SP3 Update – Mac

On one of my recent CA adventures I ran into an entirely new problem with an iMac running Boot Camp that was not able to install updates or the wonderful Service Pack 3 updates critical to security.  I always get nervous on Mac systems when they run dual platforms, only because in the early stages of our own company expansion to Mac we lost a ton of critical work in an effort run both OSX and Windows XP. Regardless, when in doubt, I run, no JUMP, to the internet… because someone has ALWAYS solved the problem before me. I love that my clients think I am genius, but it isn’t always that way. I just know where to look for the answers.

The problem, specifically?  As soon as she ran the update for SP3, it would behave like it was analyzing the system, collecting critical files… and at the end of a 20 minute wait she would get the following message:

“There is not enough disk space on C:\WINDOWS\$NtServicePackUninstall$ to install Service Pack 3. Setup requires an additional 2 megabytes of free space or if you also want to archive the files for uninstallation, setup requires 4 additional megabytes of free space. Free additional space on your hard disk and then try again.”

Back to square one… or screen one – “Your computer has updates…”

http://www.windowsreference.comoffered the solutions to fixing this issue. It doesn’t surprise me that the Mac, running Boot Camp wouldn’t really make a “C:/” Drive on the system. The computer acts like it, but it really isn’t the same. The solution: tweak the registry!

[Word of warning… if your whole life depends on your computer to function, you are better off putting registry tweaks in the hands of an actual computer geek – or Angel!]

  1. Click Start – Run – Type “regedit” and press enter.
  2. Navigate to[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Setup]


  3. In the right pane, Right-click and select New – String value
  4. Name it as “BootDir” and set its value to “C:\” (without the quotes)

The solution worked like a charm, and within the next 20 minutes Windows completed the task  with a smile!  Always something new to do on computers!

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