📎 AI Summary:
The thread discusses why Revo Uninstaller shows fewer installed programs than Windows' Programs and Features, with the initial suspicion that the free version's 32-bit limitation is the cause. Contributors suggest that the discrepancy may also be due to some programs being 32-bit even if they have 64-bit drivers, and that Revo may not differentiate accurately between true 64-bit applications and those with only 64-bit drivers. The overall conclusion is that the bit architecture of programs affects their visibility in Revo, and upgrading to a paid version might improve detection but isn't deemed necessary by the original poster.
seekermeister

seekermeister

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Thread Author #1
I'm curious why Revo shows 8 less program installations, than Programs And Features does on my computer. Among the missing are all 3 O&O programs I have installed (Defrag, DriveLED & Disk Recovery). Why does Revo not list all of the software in Programs And Feature?
 

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seekermeister
As suggested, I took a look at the download pages of each of those programs, and they all appear to be x64...without exception as far as I can see. However the wording used on some makes it less obvious than on others. I now believe the x64 factor is the answer to my original question. Thanks.

EDIT: The curious thing is that I thought I had more x64 programs than that.
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J

Joe S

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#2
If you have the free version it only shows 32 bit programs.
Joe
 

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seekermeister

seekermeister

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Thread Author #3
That may be the reason I'm looking for, or at least part of it. In addition to the O&O programs mentioned, others are Simidude, Asus Xonar D2X audio driver, Bulk Rename Utility, CCleaner, CoreTemp, Edit Pad Lite, Gimp 2.8.6, nVidia Graphics Driver, Paint.net, Registrar Registry Manager and UltraMon, which totals 14 missing programs, rather than 9 as I previously stated. I guess the difference is because Revo shows some listings that Programs And Features doesn't. Not sure about any of those, Except Active State Python, which is the only one specifically marked as 64 bit. Which hadn't I included in the list, would make it 15 missing programs. Not sure, but I doubt that all of those are 64 bit though.
 

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Jimbo22

Jimbo22

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#4
Most if not all of the software titles you have listed is bit specific, based on the OS bit type your running. Although there are a few that are just 32 bit. I would check into that, very interesting.
 

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seekermeister

seekermeister

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Thread Author #5
As suggested, I took a look at the download pages of each of those programs, and they all appear to be x64...without exception as far as I can see. However the wording used on some makes it less obvious than on others. I now believe the x64 factor is the answer to my original question. Thanks.

EDIT: The curious thing is that I thought I had more x64 programs than that.
 

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Solution
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Joe S

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#6
I think some of those programs marked 64 bit are actually 32 bit programs and 64 bit just has drivers for 64 bit.
Joe
 

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seekermeister

seekermeister

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Thread Author #7
So Revo couldn't necessarily tell the difference between a true x64 program, and one with just x64 drivers? This may be a reason to consider upgrading to the paid version, but I doubt that I will, unless some future problem makes it necessary.
 

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