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#31
Try rebooting your computer and tapping the F8 key repeatedly until it loads Advanced Boot Tools.
See if there is an option to Repair My Computer on the list. If so, click it and accept any offered repair. If this doesn't start Win7, boot back in to Repair My Computer and click through to Recovery Tools list to run Startup Repair up to 3 separate times with reboots to repair the MBR.
If this fails we can use the Command Line to try marking Win7 active, or even deleting the Ubuntu install to see if that might stop it from interfering with the Win7 bootloader as Ubuntu tends to do.
If not try Last Known Good Configuration.
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