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Getting rid of Program Compatibility Assistant

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K4sum1
Post subject: Getting rid of Program Compatibility Assistant
+ Posted: 12 Jan 2024, 06:51
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OS: Windows 8.1 x64
 
This is a bit of a different compatibility patch. Instead of getting a newer application working on an older OS, we're getting an older application working on a newer OS.

Thanks to Jevil7452 for finding this.

To do this, you need Resource Hacker

Step 1: Open the application in Resource Hacker

Step 2: Double click Version Info

Step 3: Click the item in Version Info (Should look like 1 : (numbers))

Step 4: Ctrl + A and backspace.

Step 5: Click to something else.

Step 6: Click Compile in the message that pops up.

Step 7: Click Delete in the next message.

Step 8: Not sure if it's a bug with my version of Resource Hacker, but if you see the same message from Step 6, click Cancel.

Step 9: Save the application (If it's in Program Files or a similar restricted folder, you may need to use save as to place it elsewhere, then copy it back to the location)

Step 10: Run your application.

You might also be able to edit the name or version instead of deleting the entire thing, but this is the easiest method and doesn't seem to break anything. I'm also not sure if there's a way to kill the root cause itself (Program Compatibility Assistant), but this seems to work well enough that it shouldn't be an issue anymore.

If you do this to an older version of CCleaner, you may also need to do this to the installer, which will cause the NSIS installer to fail an integrity check. You can bypass this by creating a shortcut with /NCRC in the target, or launching it with /NCRC with CMD or similar.

Here's CCleaner 4.19 running on Windows 10 22H2 using this method.
[ attachment ]

Last edited by K4sum1 on 12 Jan 2024, 09:44, edited 1 time in total.

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Jevil7452
Post subject: Getting rid of Program Compatibility Assistant
+ Posted: 24 Jan 2024, 22:36
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Joined: 14 Jan 2024, 15:21
 
An somewhat easier (or at least less complicated) way is to when you're in Resource Hacker, expand Version Info, right click on any of the entries that appear in there, and simply delete them, instead of blanking them out.
This replaces steps 4 to 8


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