Article ID: 229154
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When you try to run Disk Defragmenter (Defrag.exe) or ScanDisk (Scandskw.exe), you may receive one of the following error messages:
Your computer does not have enough free memory to defrag the drive. Quit one or more programs.
ScanDisk could not continue because your computer does not have enough available memory.
This problem may occur if either of the following conditions is true:
To resolve these problems, upgrade your Windows operating system to Microsoft Windows XP or later.
To work around these problems, do one of the following, as appropriate to your situation:
The standard FAT32 cluster size of 4,096 bytes applies only to hard disks that are smaller than 8 GB. The third-party hard disk tool may change the cluster size to 4,096 bytes per allocation unit.
The default cluster sizes are listed in the following table:
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