Hello,
Start out by uninstalling Daemon Tools. When done, remove SPTD itself with the tool found here:
DuplexSecure - Downloads Code:
Event[450]:
Log Name: System
Source: sptd
Date: 2011-07-02T10:22:57.854
Event ID: 4
Task: N/A
Level: Error
Opcode: N/A
Keyword: Classic
User: N/A
User Name: N/A
Computer: Jamal-PC
Description:
Driver detected an internal error in its data structures for .
Did you change the setting for your page file? It almost looks as if the page file has been manually set to approximately 8GB, the same as the installed RAM. If that's the case, change it back to "System Managed", and then reboot.
Also run hardware diagnostics. Start with the three Prime95 tests:
http://www.sevenforums.com/tutorials...t-prime95.html
Finish up with Memtest86:
RAM - Test with Memtest86+