Here is my resolution to the error
SVCHOST.EXE GENERIC HOST PROCESS OR
DEP ERROR
IT DOES NOT INCLUDE
DISABLING WIA
OR
DISABLING DEP (which is a good security feature)
I have tried it on upto 3-4 computers with success and complete software functionality
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Turn the All in One Off
Uninstall the whole of the HP software on the computer
Run a level 4 uninstall
Start --> Run -->X:\Util\CCC\Uninstall L1.bat
Start --> Run -->X:\Util\CCC\Uninstall L2.bat
Start --> Run -->X:\Util\CCC\Uninstall L3.bat
Start --> Run -->X:\Util\CCC\Uninstall L4.bat
Restart the computer
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Check the computer on the restart
Check if you still get an SVCHOST.EXE GENERIC HOST PROCESS OR
DEP ERROR on restart
Start --> Run
Type in Msconfig
Click OK
Click Launch System Restore
Run System Restore
Create a Restore Point named Hp
Click Start --> Run
Type in Regedit
Click OK
Open Registry Editor
Scroll to the following Registry Key
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentV
ersion\Explorer\
RemoteComputer\NameSpace\2227A280-3AEA-1069-A2DE-08002B30309D
Right click on this Key Click Export
On the Export Registry Window which comes up
Type Hpprinter as the filename and save it on the desktop
Get back to the same Registry Key
Right Click the Key and Click Delete to remove the key
Restart the computer
THERE SHOULD BE NO DEP ERRORS THIS TIME
(IF you have any issues after deleting the above key <possibility is remote> restore the computer back to the Hp restore point)
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Reinstall the Hp printer Wirelessly or on a wired network now the usual way
Once the software installation finishes
Verify functionality
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NOW
Right-Click My Computer, then click Properties.
On the Advanced tab, under Performance, click Settings.
On the Data Execution Prevention tab
Click Turn on DEP for all programs and services except those I select to select the OptOut policy, and then click Add to add the following programs
Create an exception in the DEP for the following programs by browsing to the correct location. The following list outlines the locations:
Hpcmpmgr.exe (x:\Program Files\HP\Hpcoretech\hpcmpmgr.exe)
HPwuSchd2.exe (x:\Program Files\HP\HP Software Update\hpwuSchd2.exe)
HP Digital Imaging Monitor (hpqtra08.exe) (x:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe)
HP Image Zone Fast Start (hpqthb08.exe) (x:\Program Files\HP\Digital Imaging\bin\hpqthb08.exe)
Generic Host Process for Win32(svchost.exe)
(c:\windows\system32\svchost.exe)
Add all these files one by one by browsing to the locations
Click Apply and OK
Let the computer restart if prompted
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Its also at times needed to disable
from the Startup of the computer in Msconfig
Hpcmpmgr.exe
HPwuSchd2.exe
HP Digital Imaging Monitor (hpqtra08.exe)
HP Image Zone Fast Start (hpqthb08.exe)
The reason is the above mentioned exceptions to the Data Execution Prevention are loaded after the Startup loads and the DEP may try to shut them down at the startup itself and generate the errors
Unchecking the above files does not mean losing any functionality on the All in One all the features should work properly
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