PROBLEM:
========
Cache file is occupying all available space

CAUSE:
======
Momcache.mdb file is growing up without control for any of the users that uses your OpsMgr console.

RESOLUTION:
==========
workaround

Try start the console with the /clearcache switch 

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or

Delete C:\Documents and Settings\<user>\Local Settings\Application Data\Microsoft\Microsoft.Mom.UI.Console\momcache.mdb