Duplicate items in "open with" list

iMimi

New member
Local time
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I've uninstalled and reinstalled a couple of programs (Real Player and KMPlayer) at different points in time but after each re-installation, said programs appear twice in the open with menu. How do I remove the duplicate?
 

My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
HP
OS
Windows 7 Home Premium 32bit
CPU
Intel Core 2 Duo CPU T9550 @ 2.66GHz
Graphics Card(s)
ATI Mobility Radeon HD 4650
Antivirus
Microsoft Forefront Client Security

My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
MSI GE72VR Apache Pro-416
OS
Windows 10x64 Build 1709
CPU
Intel i7 7700HQ Kaby Lake
Motherboard
Micro-Star Intl. MS-179B (U3C1)
Memory
16 GB DDR4 @2400
Graphics Card(s)
Nvidia Geforce GTX 1060
Screen Resolution
1920x1080 120Hz
Hard Drives
256 GB Nvme M.2 SSD

1TB HDD@7200
Cooling
Cooler Blast 4
Keyboard
Steel Series
Antivirus
Bit Defender Free
Browser
Edge

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
n/a
OS
W7 Ultimate SP1, LM19.2 MATE, W10 Home 1703, W10 Pro 1703 VM, #All 64 bit
CPU
AMD Phenom II x6 1100T, 3.3 GHz
Motherboard
ASUS M4A88T-M/USB3 (AM3)
Memory
12GB DDR3 1333 G-Skill (4GB x 2), G-Skill (2GB x 2)
Graphics Card(s)
NVIDIA GeForce GTX 660
Sound Card
Realtek?
Monitor(s) Displays
Samsung S23B350
Screen Resolution
1920x1080
Hard Drives
WD Green 2TB (SATA), WD Green 3TB (SATA), WD Blue 4TB (SATA), WD Blue 6TB (SATA)
PSU
Cooler Master
Case
Antec GX300 Tower
Cooling
3x Antec TRICOOL 120mm Fans
Mouse
Wired Optical
Internet Speed
DSL
Antivirus
Avast
Browser
Pale Moon (64 bit)
Other Info
2018-12-27 Upgraded HDDs
2015-12-10 Upgraded case, graphics card, storage
2015-08-15 Upgraded motherboard & RAM
2015-07-15 Upgraded LM17.1 to LM17.2
I tried both of your suggestions, but I couldn't get anywhere with either.

I couldn't figure out how to use FileMenu to remove the duplicates and when I followed the steps mentioned in that article, the programs were only mentioned once in the open with list in the registry
 

My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
HP
OS
Windows 7 Home Premium 32bit
CPU
Intel Core 2 Duo CPU T9550 @ 2.66GHz
Graphics Card(s)
ATI Mobility Radeon HD 4650
Antivirus
Microsoft Forefront Client Security
Shell Extension Options?

Check the program options and if they allow it, deselected the Shell Extensions.
They might say "Add to Windows Explorer context menu" instead.

For example, this is what the Winamp Shell Extension Options look like.
Winamp Options.png
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
n/a
OS
W7 Ultimate SP1, LM19.2 MATE, W10 Home 1703, W10 Pro 1703 VM, #All 64 bit
CPU
AMD Phenom II x6 1100T, 3.3 GHz
Motherboard
ASUS M4A88T-M/USB3 (AM3)
Memory
12GB DDR3 1333 G-Skill (4GB x 2), G-Skill (2GB x 2)
Graphics Card(s)
NVIDIA GeForce GTX 660
Sound Card
Realtek?
Monitor(s) Displays
Samsung S23B350
Screen Resolution
1920x1080
Hard Drives
WD Green 2TB (SATA), WD Green 3TB (SATA), WD Blue 4TB (SATA), WD Blue 6TB (SATA)
PSU
Cooler Master
Case
Antec GX300 Tower
Cooling
3x Antec TRICOOL 120mm Fans
Mouse
Wired Optical
Internet Speed
DSL
Antivirus
Avast
Browser
Pale Moon (64 bit)
Other Info
2018-12-27 Upgraded HDDs
2015-12-10 Upgraded case, graphics card, storage
2015-08-15 Upgraded motherboard & RAM
2015-07-15 Upgraded LM17.1 to LM17.2

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Self built custom
OS
64-bit Windows 11 Pro for Workstations
CPU
Intel i7-8700K OC'd to 5 GHz
Motherboard
ASUS ROG Maximus XI Formula Z390
Memory
64 GB (4x16GB) G.SKILL TridentZ RGB DDR4 3600 MHz
Graphics Card(s)
ASUS ROG-STRIX-GTX1080TI-O11G-GAMING
Sound Card
Integrated
Monitor(s) Displays
2 x Samsung Odyssey G7 27"
Screen Resolution
2560x1440
Hard Drives
1TB Samsung 990 PRO M.2,
4TB Samsung 990 PRO PRO M.2,
TerraMaster F8 SSD Plus NAS
PSU
Seasonic Prime Titanium 850W
Case
Thermaltake Core P3
Cooling
Corsair Hydro H115i
Keyboard
Logitech wireless K800
Mouse
Logitech MX Master 4
Internet Speed
2 Gb/s Download and 100 Mb/s Upload
Antivirus
Malwarebyte Anti-Malware Premium
Browser
Google Chrome
Other Info
Logitech Z625 speaker system,
Logitech BRIO 4K Pro webcam,
HP Color LaserJet Pro MFP M477fdn,
APC SMART-UPS RT 1000 XL - SURT1000XLI,
Galaxy S23 Plus phone
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