Opening all projects freezes Premiere with Media Pending

Question

Hi there,
I've run into a problem with Premiere Pro CS6.  Last week, I experienced a crash while working on a project, and ever since then I have been completely unable to open ANY of my saved projects.
Whenever I now try to open any saved project - regardless of whether it contains any footage or not - Premiere immediately freezes unrecoverably.  The same thing happens with newly created projects.    If the project contains video footage, the 'Media Pending' preview shows on the frozen page - if there is NO video footage in the project (which would be rare, obviously), then it just freezes without the Media Pending message.
I can, however, open a previously saved project by opening Premiere, creating a NEW project and importing an old project or sequence into it.  Using this method I am able to encode one video at a time.  I can not use Adobe Media Encoder to queue up video sequences for encoding - Adobe Media Encoder also crashes (freezes) whenever I attempt to start the encoding queue.
Steps attempted to resolve this issue (all unsuccessful);
Uninstalled the Adobe Master Collection CS6 completely, followed by a reinstallation.  No change.
Uninstalled every Adobe application on the computer, then deleted every remaining Adobe directory I could find - including those contained in Program Files, Program Files (x86) and in my user profile directory.  Also emptied my Media Cache folders.  I also then ran the Adobe Creative Cloud Cleaner Tool and removed everything it would allow me to from CS6 and below.  Followed by a reinstallation.  No change.
Both of the above installing back without any patches (Premiere CS6.0.0) and with patches (Premiere CS6.0.5).  No change.
Emptied the 'Temp' folder for my user profile.  No change.
The one slightly useful thing that I have found is that if I create a new user account in Windows and open Premiere from there, everything seems to be fine - so the issue would seem to be related to my Windows user account ... I just don't know how to fix it.
I do not want to simply eraze my current user account because it would take me ages to restore all of my preferences, applications and whatnot to their correct configuration - and there's no guarantee that the same thing wouldn't occur again (especially given that I've seem similar reports from other people, so it's not an isolated incident).
Other than Premiere and Media Encoder, I'm not aware of any other Adobe application suffering from a problem.
I'm running Windows 7 Pro, SP1, incidentally.  Thanks in advance for any help or insight anyone can provide.
Crash details, for what it's worth:
Description:
  A problem caused this program to stop interacting with Windows.
Problem signature:
  Problem Event Name:    AppHangB1
  Application Name:    Adobe Premiere Pro.exe
  Application Version:    6.0.5.0
  Application Timestamp:    5211d7f5
  Hang Signature:    23a7
  Hang Type:    0
  OS Version:    6.1.7601.2.1.0.256.48
  Locale ID:    2057
  Additional Hang Signature 1:    23a73802a238152cdf9b7274c7d644c6
  Additional Hang Signature 2:    d9ce
  Additional Hang Signature 3:    d9cef6fa29ffb9c7a521dae6910c7825
  Additional Hang Signature 4:    23a7
  Additional Hang Signature 5:    23a73802a238152cdf9b7274c7d644c6
  Additional Hang Signature 6:    d9ce
  Additional Hang Signature 7:    d9cef6fa29ffb9c7a521dae6910c7825
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Answer 1

The user profile may well be damaged, but it's pretty difficult to Google user profile faults when the only applications displaying any symptoms whatsoever are Premiere and Media Encoder.  Add to this the fact that there are numerous other reports of the same thing having happened to other Premiere users for a range of reasons (including font conflicts and external or virtual drives).  Also, the issue materialised not at an undetermined time - but precisely when Premiere suffered a crash, in use.  It would be irrational to rule out the possibility that something external to Premiere could have caused the crash, but whatever has been damaged would seem to be directly related to a resource that Premiere was using at the time.  Identifying that specific resource would be invaluable.
Anyway, this is all pretty moot now - I'm in the process of setting up a new profile.  I'll just have to hope that it won't occur again.  I would like to have spent some time trying to identify exactly which aspect of the profile was affected, but sadly time is an issue.
If anyone else is experiencing similar symptoms and stumbles upon this thread, they might want to look at this: http://forums.adobe.com/message/4323738.  It didn't help me, but maybe it'll be of use to someone else.
Also worth considering is the possibility that external drives, virtual drives or virtual file systems have also been reported as causing these symptoms (for example, I'd used a Linux file system integrator/emulator some months ago - not that this had coincided in any way with these issues for me).
Thanks for taking the time to respond, Jim.