The Virtual Memory sensor has detected that the amount of disk space currently available for temporary data storage is below the threshold specified in this sensor's properties.
Consider closing any non-essential applications. To find out how much memory an open application is using, click the System Information icon below and select the Memory tab.
If you have plenty of free disk space (check the Disk Space sensor), consider enlarging the Windows paging file, or moving it to a drive with more space available.Or, consider adding RAM to your computer.