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PSE Installations- do they contain PxHlpa64.sys from Corel?

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I had PSE15 installed before installing PSE 2023 Both co-existed on the system. I noticed the well-documented Memory Integrity Protection error, (due to the PxHlpa64.sys driver being incompatible). Not being sure where this driver had come from, I unstalled both products. The incompatible driver remained. So, my question is do either (or both) of the PSE version mentioned install this driver? If so why was it not removed when the products were uninstalled?

Windows

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GCS-BobKAuthor

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Think I've just answered my own question. Reinstalled PSE15 which modified a folder 'Sonic', which contains the Pxengine5_08_13a.exe file. PxHlpa64.sys is part of the Pxengine library. So PSE15 does contain (or modify) this driver.

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T

Test Screen Name

Legend

Maybe some installs include it, and some do not. Where is your install from?

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GCS-BobKAuthor

Known Participant

It's from the Adobe site at account.adobe.com/products

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Peru Bob

Community Expert

This might be a solution:

I cleared the problem by renaming the files (adding an .off extension) ...

C:\Program Files (x86)\Common Files\Sonic Shared\PX Drivers\pxhlpA64.sys.off

C:\Windows\System32\drivers\PxHlpa64.sys.off

I kept using Adobe Photoshop Element since last fall and nothing has bugged so far.

from here:

https://answers.microsoft.com/en-us/windows/forum/all/windows-11-memory-integrity-pxhlpa64sys-dvd-driver/0c33f0d8-3264-42b6-b655-b06d96280814?page=3

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GCS-BobKAuthor

Known Participant

Thanks, I have seen other suggestions which involve changing the file extension, the one I found recommended renaming it to .old. I did try that one, but it had no effect. Others who went down that route found that the DVD drive was unusable afterwards.

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MichelBParis

Legend

This driver is absent from my computer which has used PSE6 and all versions since PSE10.

A Web search shows that it was used with CD burner from Roxio and Corel.

https://www.fichier.net/processus/pxhlpa64.sys.html

You say:

"the well-documented Memory Integrity Protection error,"

Where do you see it's well documented?

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GCS-BobKAuthor

Known Participant

Thanks for your response. I have no Roxio software on my PC. This driver is also associated with the 'Sonic' DVD burning software and I have two registry keys starting PSE15/payloads/Sonic/pxengine5_08_13 one ending ApplicationCompany, the other ending FriendlyAppName which strongly suggests the pxengine software came with the PSE15 installation. It was not removed when uninstalling PSE15. 'Well-documented' was clumsy wording on my part as 'widely reported' would have been more accurate, as a web search of the phrase 'pxhlpa64.sys memory integrity' shows.

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