It appears that you are experiencing random Blue Screen of Death (BSOD) issues after upgrading from Windows XP 32-bit to Windows 7 Build 7100 64-bit. These crashes seem to occur specifically when downloading large files, causing inconvenience, especially with downloading games from Steam. Based on the information you provided, here are some insights and possible solutions to address the problem:
Possible Causes:
- Driver Incompatibility: Upgrading from an older operating system can lead to driver conflicts.
- Memory Issues: Although you tested the memory with the Windows Memory Diagnostic tool with no errors, there could still be intermittent issues.
- Network Adapter/Driver Issue: The network adapter or...