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pkfwallast
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Print driver host for 32bit applications has stopped working

We recently upgraded our Servers from Citrix XenApp 5 Windows Server 2003 (32-bit) to Citrix XenApp 6.5 Windows Server 2008 R2 Enterprise SP1 64-bits.
Mainly we use HP LaserJet 4250tn and some HP LaserJet P4015 printers (Also Xerox Multifunctional printers no problems there).
For the LJ 4250tn we have installed the HP 4250tn PCL5e v 61.74.561.43 and for the HP P4015 we have installed HP Universtal Printing PCL5e v61.130.4.12834.
Often we get the error message "Print driver host for 32bit applications has stopped working". I think this must be a driver issue.
I've change all drivers to the HP 4250tn PCL5e v61.74.561.43. Now we have less error messages but still sometimes. And when this happens the only solution is to reboot de Server.
The error message is:

Faulting application name: splwow64.exe, version: 6.1.7601.17777, time stamp: 0x4f35fbfe
Faulting module name: hpcui5r1.dll_unloaded, version: 0.0.0.0, time stamp: 0x47f651e2
Exception code: 0xc0000005
Fault offset: 0x0000000035127818
Faulting process id: 0x4fd8
Faulting application start time: 0x01cddeb3c922c3a6
Faulting application path: C:\Windows\splwow64.exe
Faulting module path: hpcui5r1.dll
Report Id: 3b46c3a6-4aa7-11e2-b1a6-8e0b5467cdc8

What driver must I use in such an environment whithout getting this error?
Windows Server 2008

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pkfwallast

8/22/2022 - Mon
Rodney Barnhardt

Did you go through the registry to make sure the UDP driver was totally gone? There seems to be a lot of issues with Citrix and the HP UPD. Here is an example: http://forums.citrix.com/thread.jspa?threadID=238560
pkfwallast

ASKER
Thanks for your answer rbarnhardt. I wil look in to the attachted link.
Spiraliz68

Hi!

We are experiencing the exact problem in our identical environment. We have tried using Windows native printer drivers, HP UPD PCL5 and PCL6 with the exactly same problem.

pkf: Have you managed to solve the problem or do you have any update on this case?

"Spiraliz".
Your help has saved me hundreds of hours of internet surfing.
fblack61
pkfwallast

ASKER
Hello Spiraliz,

We had the Universal Print Driver-pcl5-x64-5.5.0.12834 installed for the HP Laserjet 4015p which I think caused this error. I deleted pcl5-x64-5.5.0.12834 and use the HP Laserjet 4250 PCL5e driver which was already installed for the HP Laserjet 4250 printer.

I have not seen the exact same error yet.

Although sometimes we have the error "Print driver host for 32bit applications has stopped working" when we want to see the properties of a Xerox multifunctiong printer.
Rodney Barnhardt

I have had some problems with my Xerox printers also. One, I have found it best to use PS drivers on the Xerox. Also, Xerox recommended configuring SNMP fields because this is used for communication with the printer. Third, under Bi-Directional communication, enable "automatic". These were recommendations by Xerox support.
pkfwallast

ASKER
Thanks rbarnhardt I'll check the points you enumerated.
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pkfwallast

ASKER
The error message problems are gone.