Please help!
I am having similar problems. I have reinstalled Movie Maker, turned the PC on and off. All drivers seem ok. Specs below:
OS: Windows 7 Home Premium 64-bit (6.1, Build 7600) (7600.win7_gdr.130318-1532)
System Manufacturer: Acer
System Model: Aspire 5745
BIOS: InsydeH2O Version V1.11
Processor: Intel(R) Core(TM) i5 CPU M 450 @ 2.40GHz (4 CPUs), ~2.4GHz
Memory: 8192MB RAM
Available OS Memory: 7862MB RAM
Page File: 3273MB used, 12450MB available
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.01.7600.16385 32bit Unicode
Card name: Intel(R) HD Graphics
Manufacturer: Intel Corporation
Chip type: Intel(R) HD Graphics (Core i5)
DAC type: Internal
Driver File Version: 8.15.0010.2104 (English)
Driver Version: 8.15.10.2104
DDI Version: 10
Driver Date/Size: 3/31/2010 07:46:58, 6534144 bytes