You can determine which programme is taking up the disc space by using a small programme

Please download TreeSize (by JAM Software) from the link below and save it to your Desktop.

Download Mirror #1

[*]Double-click on TreeSizeProfessional-Demo.exe to run TreeSize.
[*]Click Run at the security warning, if it appears.
[*]Select your language and press OK.
[*]Click Next, Accept the agreement and click Next a further three times.
[*]Untick all of the boxes then click Next.
[*]Wait for TreeSize to install then tick Launch TreeSize Professional as Administrator and click Finish
[]TreeSize should now open. If it doesn’t, it can be found in your Start Menu under JAM Software.
[
]TreeSize will now scan your hard drive. On large hard drives, this could take a while to complete so please be patient.
[]The scan finishes when there are no more hour glass icons over the folders listed in TreeSize.
[
]From the tree list on the left you will be able to determine which programme is taking the space