Printing hangs when changing directory with a print from Firefox

[AndyC]

I can only save to the default directory - MyDocuments - otherwise it hangs. Does anyone else have this problem?

Description:
A problem caused this program to stop interacting with Windows.

Problem signature:
Problem Event Name: AppHangXProcB1
Application Name: splwow64.exe
Application Version: 6.1.7601.17777
Application Timestamp: 4f35fbfe
Hang Signature: 7642
Hang Type: 32
Waiting on Application Name: csrss.exe
Waiting on Application Version: 0.0.0.0
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 2057
Additional Hang Signature 1: 76424de3189633041c66fe9ef9fd644f
Additional Hang Signature 2: 7267
Additional Hang Signature 3: 72677c06b8d00759921fbbeb0dc70986
Additional Hang Signature 4: 7642
Additional Hang Signature 5: 76424de3189633041c66fe9ef9fd644f
Additional Hang Signature 6: 7267
Additional Hang Signature 7: 72677c06b8d00759921fbbeb0dc70986

[AndyC]

Solved - loaded 64bit Firefox and got rid of 32 bit version. Works perfectly now.