T61 - Persistent messages concerning "Low Disk Space"

[Muse]

The messages are in a bubble near the right corner of my taskbar and indicate where I can click for more information. When I click there I get a window with the following information. I don't know what to make of it. I've had this problem for quite some time. What can I do to fix this?
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Disk Cleanup for NVCACHE (E:)

Files to delete:

Recycle Bin 0 bytes

Total amount of disk space you gain: 0 bytes

Description

The Recycle Bin contains files you have deleted from your computer. These files are not permanently removed until you empty the Recycle Bin.

[Clean up system files] [View Files]

[OK] [Cancel]

[RealBlackStuff]

How large is your HD and how much free space is left?
Have you emptied your Recycle Bin?

[Muse]

The HD has two partitions:

C: 150GB and it's 2/3 free space

D: 450GB over 90% free space

There's nothing at all in the Recycle Bin

Running Windows 7 64bit Ultimate
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I'm thinking it may have to do with that E: drive called NVCACHE. What's that about?

There's a thread we both posted in that's evidently about the same thing (it would seem):

http://forum.thinkpads.com/viewtopic.ph ... 34#p657234

[emtee3511]

Not sure if this relates to your 'low disk space' warning or not? http://brainwreckedtech.wordpress.com/2 ... s-vista-7/

[RealBlackStuff]

It is related to ReadyBoost/TurboMem.
This should sort you out: http://www.vistax64.com/vista-general/1 ... oying.html

[Muse]

It is related to ReadyBoost/TurboMem.
This should sort you out: http://www.vistax64.com/vista-general/1 ... oying.html

OK, I went to that page and per the suggestion from the MS support guy I changed my ReadyBoost from 495MB usage to 450MB usage. Will see if that eliminates the problem. Thanks for the help!