Remove PSN. Description and removal instructions

PSN manual removal:

Kill processes:
msupdate.exe
Delete registry values:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updates=%System%\msupdate.exe
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\Search Page=[site address]
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\Search Bar=[site address]
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\SearchURL\SearchURL=[site address]
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Search\CustomizeSearch=[site address]
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Search\SearchAssistant=[site address]
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\SafeSites\auto.search.msn.com
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\SafeSites\auto.search.psn.cn
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\SafeSites\ie.search.psn.cn
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\SafeSites\search.msn.com
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\SafeSites\search.psn.cn
Delete files:
msupdate.exe
Misc:
[site address] is an adress of a web page on the search.psn.cn or ie.search.psn.cn domains.

File msupdate.exe can be found in the default system directory, which can be one of the following:
C:\Windows\System, C:\Windows\System32 or C:\Winnt\System32.