Remove hiberfil.sys on unbootable PC via cmd prompt using recovery media

Boot PC using recovery cd.
Shift + F10 to open cmd prompt.
Navigate to boot drive.
icacls hiberfil.sys /grant everyone:f
attrib -h -s hiberfil.sys
del hiberfil.sys

Source: Superuser

Forcefully clear print queue

Stop Print Spooler service.

Delete contents of:
C:\WINDOWS\System32\spool\PRINTERS

Start Print Spooler service.

Source: Online Tech Tips

Stop web traffic using VPN – Windows XP, Windows 7

Right click the connection, and choose Properties.
Click “Networking” Tab
With TCP/IP selected, hit “Properties”
Click “Advanced”
Untick “Use default gateway on Remote network”

Source: Superuser