Installing DoubleSpace When Norton Erase Protect Is Loaded (96752)
The information in this article applies to:
• Microsoft MS-DOS operating system 6.0
• Microsoft MS-DOS operating system 6.2
• Microsoft MS-DOS operating system 6.22
This article was previously published under Q96752
This information applies to both Microsoft DoubleSpace and Microsoft
DriveSpace. For MS-DOS 6.22, use DRVSPACE in place of DBLSPACE for commands
DoubleSpace may be unable to use all the space available on your drive
if you are using Symantec Norton Utilities Erase Protect (EP.EXE) or
Norton Desktop for Windows (NDW) SmartErase. If so, DoubleSpace exits
and displays the following message:
Dlspace is finished compressing this drive. Some files were not
compressed you will have to back up these files, resize the
dblspace drive, then restore the backup.
To work around this problem, empty your Erase Protect TRASHCAN
directory and disable Erase Protect before you install DoubleSpace.
If you have already installed DoubleSpace, do the following:
• Empty your TRASHCAN directory.
• Increase the size of your DoubleSpace drive. To do this, type the
following at the MS-DOS command prompt and then press ENTER
where <drive> is the drive letter of your compressed drive.
dblspace /size /reserve=2 <drive>
• Move the remaining files from your uncompressed host drive to your
• After you move all the files from your uncompressed host drive,
increase the size of your DoubleSpace drive by choosing Size from the
Drive menu in Setup.
How Erase Protect Works
If you have Erase Protect or NDW SmartErase loaded, when you delete
files from your hard disk, they are moved into a hidden directory
(TRASHCAN) instead of being deleted.
When you type DIR or run Windows File Manager to determine the free
disk space, Erase Protect and SmartErase intervene and cause MS-DOS to
report the disk space available as if the TRASHCAN directory were
To determine the actual free disk space, run CHKDSK.
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