If you must keep the GMA 3100, disconnect the PC from the internet after installing essential apps, and use it as an offline workstation.
However, there is a crucial distinction: The GMA 3100 (G33) is the same as the GMA 4500. The 4500 has official Windows 7/8/10 support; the 3100 does not. Do not attempt to install G45/X4500 drivers on a G33 chipset, as this will result in a black screen or boot failure.
If you must keep the GMA 3100, disconnect the PC from the internet after installing essential apps, and use it as an offline workstation.
However, there is a crucial distinction: The GMA 3100 (G33) is the same as the GMA 4500. The 4500 has official Windows 7/8/10 support; the 3100 does not. Do not attempt to install G45/X4500 drivers on a G33 chipset, as this will result in a black screen or boot failure. intel gma 3100 driver windows 7 64-bit