The quota can be increased for isolated storage.
Syntax
IsolatedStorageSecurityOptions IncreaseQuotaForApplication
Requirements
Namespace: System.IO.IsolatedStorage
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 4.0.0.0
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 4.0.0.0