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Solved "Windows Presentation Foundation Host" opens with Chrome

SseanNRocks14

New Member
I accidentally set "Windows Presentation Foundation Host" to default open in Google Chrome, I don't know why I did. I was experimenting, I guess. I don't know how to fix it.

Windows Presentation Foundation Host is an XAML file. I don't know a whole lot about how computers and their files work, but I know a little like how to navigate with task manager, file explorer, control panel, etc.

Any help will be appreciated, thank you for your time and efforts. :)
 
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My Computer

System One

  • OS
    Windows 8 64 bit
    Computer type
    Laptop
    System Manufacturer/Model
    Compaq
    CPU
    AMD C-60 APU with Radeon(tm) HD graphics 1.00 GHz
    Memory
    2.00 GB (1.60 GB usable)
    Graphics Card(s)
    AMD Radeon HD 6290 Graphics (0x9807)
    Screen Resolution
    1366x768
    Hard Drives
    Driver Model?: WDDM 1.2
    Keyboard
    qwerty (Default laptop)
    Mouse
    USB Logitech
    Browser
    usu. Google Chrome
    Antivirus
    AVG AntiVirus Free Edition 2013

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Administrator
Administrator
mvp
Hello Sean, and welcome to Eight Forums.

Not sure how you did that, but you should be able to do a system restore using a restore point (if available) dated before you did to undo and fix this.

Hope this helps, :)
Shawn
 

My Computer

System One

  • OS
    64-bit Windows 10
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Custom self built
    CPU
    Intel i7-8700K OC'd to 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    16 GB (8GBx2) G.SKILL TridentZ DDR4 3200 MHz
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    3 x 27" Asus VE278Q
    Screen Resolution
    1920x1080
    Hard Drives
    1TB Samsung 970 EVO Plus M.2,
    250GB Samsung 960 EVO M.2,
    6TB WD Black WD6001FZWX
    8TB WD MyCloudEX2Ultra NAS
    PSU
    OCZ Series Gold OCZZ1000M 1000W
    Case
    Thermaltake Core P3
    Cooling
    Corsair Hydro H115i
    Keyboard
    Logitech wireless K800
    Mouse
    Logitech MX Master
    Internet Speed
    1 Gb/s Download and 35 Mb/s Upload
    Browser
    Internet Explorer 11
    Antivirus
    Malwarebyte Anti-Malware Premium
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    Linksys EA9500 router,
    Arris SB8200 cable modem,
    APC SMART-UPS RT 1000 XL - SURT1000XLI,
    Lumia 1520 phone

SseanNRocks14

New Member
The backstory

So I downloaded a Windows 8 app called "Sequencer", an app that lets you create and edit tracks using instruments and such, and you are able to save and load using :winkey: key + z. Occasionally, it would crash and I would lose all of my data for the app, saved tracks and stuff. :mad: So I uninstalled. This happened several times more, as I would download it later out of boredom of my current apps. I opened task manager one day, went to sequencer, opened file location. I copied and pasted all of the files from the app into a backup folder I made, to try and experiment to see if replacing all of the files in the app after it crashes will bring my saved tracks back (DON'T worry, aside the point, I haven't tried replacing them yet). In the file location, I was trying to view the SaveSequencePage, apparently a windows markup file (which I don't know what is, I might Google it). it said Open with... so I clicked "Windows Presentation Foundation Host". It said "How would you like to open this file?" So then I clicked Google Chrome, and the check-box for "Use this for all 'whatever (forgot the abbreviation)' files". It only did the second part once, so now I don't know how to fix it.
HERE's where I need help.
Screenshot (35).png
Thanks in advance! :)

ps. I don't know how setting the default program to open Windows Presentation Foundation Host will affect my computer, so far nothing bad has occurred (that I know of)
 

My Computer

System One

  • OS
    Windows 8 64 bit
    Computer type
    Laptop
    System Manufacturer/Model
    Compaq
    CPU
    AMD C-60 APU with Radeon(tm) HD graphics 1.00 GHz
    Memory
    2.00 GB (1.60 GB usable)
    Graphics Card(s)
    AMD Radeon HD 6290 Graphics (0x9807)
    Screen Resolution
    1366x768
    Hard Drives
    Driver Model?: WDDM 1.2
    Keyboard
    qwerty (Default laptop)
    Mouse
    USB Logitech
    Browser
    usu. Google Chrome
    Antivirus
    AVG AntiVirus Free Edition 2013

SseanNRocks14

New Member
Screenshot (37).pngSo the file I was trying to open is an XAML file, I didn't see that in the above list... But really, I think I am trying to restore the default program of "Windows Presentation Foundation Host". Remember, I selected that to open with Google Chrome, it wasn't a the factory default.

Screenshot (36).png
So here's what happens after you click Open with > Windows Presentation Foundation Host. It opens in Google Chrome, and asks me if I want to save the same file again.
 

My Computer

System One

  • OS
    Windows 8 64 bit
    Computer type
    Laptop
    System Manufacturer/Model
    Compaq
    CPU
    AMD C-60 APU with Radeon(tm) HD graphics 1.00 GHz
    Memory
    2.00 GB (1.60 GB usable)
    Graphics Card(s)
    AMD Radeon HD 6290 Graphics (0x9807)
    Screen Resolution
    1366x768
    Hard Drives
    Driver Model?: WDDM 1.2
    Keyboard
    qwerty (Default laptop)
    Mouse
    USB Logitech
    Browser
    usu. Google Chrome
    Antivirus
    AVG AntiVirus Free Edition 2013

Brink

Administrator
Administrator
mvp

My Computer

System One

  • OS
    64-bit Windows 10
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Custom self built
    CPU
    Intel i7-8700K OC'd to 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    16 GB (8GBx2) G.SKILL TridentZ DDR4 3200 MHz
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    3 x 27" Asus VE278Q
    Screen Resolution
    1920x1080
    Hard Drives
    1TB Samsung 970 EVO Plus M.2,
    250GB Samsung 960 EVO M.2,
    6TB WD Black WD6001FZWX
    8TB WD MyCloudEX2Ultra NAS
    PSU
    OCZ Series Gold OCZZ1000M 1000W
    Case
    Thermaltake Core P3
    Cooling
    Corsair Hydro H115i
    Keyboard
    Logitech wireless K800
    Mouse
    Logitech MX Master
    Internet Speed
    1 Gb/s Download and 35 Mb/s Upload
    Browser
    Internet Explorer 11
    Antivirus
    Malwarebyte Anti-Malware Premium
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    Linksys EA9500 router,
    Arris SB8200 cable modem,
    APC SMART-UPS RT 1000 XL - SURT1000XLI,
    Lumia 1520 phone

SseanNRocks14

New Member
Ok, thanks! Will do now... (I'm on mobile now, glad there's an app!) :)
 

My Computer

System One

  • OS
    Windows 8 64 bit
    Computer type
    Laptop
    System Manufacturer/Model
    Compaq
    CPU
    AMD C-60 APU with Radeon(tm) HD graphics 1.00 GHz
    Memory
    2.00 GB (1.60 GB usable)
    Graphics Card(s)
    AMD Radeon HD 6290 Graphics (0x9807)
    Screen Resolution
    1366x768
    Hard Drives
    Driver Model?: WDDM 1.2
    Keyboard
    qwerty (Default laptop)
    Mouse
    USB Logitech
    Browser
    usu. Google Chrome
    Antivirus
    AVG AntiVirus Free Edition 2013

Brink

Administrator
Administrator
mvp
You're most welcome. I'm glad it could help. :)
 

My Computer

System One

  • OS
    64-bit Windows 10
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Custom self built
    CPU
    Intel i7-8700K OC'd to 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    16 GB (8GBx2) G.SKILL TridentZ DDR4 3200 MHz
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    3 x 27" Asus VE278Q
    Screen Resolution
    1920x1080
    Hard Drives
    1TB Samsung 970 EVO Plus M.2,
    250GB Samsung 960 EVO M.2,
    6TB WD Black WD6001FZWX
    8TB WD MyCloudEX2Ultra NAS
    PSU
    OCZ Series Gold OCZZ1000M 1000W
    Case
    Thermaltake Core P3
    Cooling
    Corsair Hydro H115i
    Keyboard
    Logitech wireless K800
    Mouse
    Logitech MX Master
    Internet Speed
    1 Gb/s Download and 35 Mb/s Upload
    Browser
    Internet Explorer 11
    Antivirus
    Malwarebyte Anti-Malware Premium
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    Linksys EA9500 router,
    Arris SB8200 cable modem,
    APC SMART-UPS RT 1000 XL - SURT1000XLI,
    Lumia 1520 phone

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