For the 1st one see this
ask.wireshark.org/.../npf-driver-problem-in-windows-7
The 3rd one refers to Server Network Driver
The 5th one refers to the parallel printing port.
The others we've already discussed.
If an extended memory test doesn't reveal any errors then I'd say your HDD was failing. Boot to F12 and perform full diagnostic.
If you can get to a command prompt then try SFC
www.sevenforums.com/.../1538-sfc-scannow-command-system-file-checker.html
In the absence of any HDD failure messages and if SFC didn't help then advise fresh install of OS.
