Solved How to change the size of a minimized MDI window


Egd

Member
Local time
8:31 PM
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3
OS
Windows11
I'm facing an issue with in-app minimized windows, which are broken on my Windows 11 (certainly by a software, but I don't know which one...). Those in-app minimized windows are much more narrower that it should be. Instead of having the minimized title bar containing title and 3 buttons, I can only see the close button. I read here it wasn't possible to change this size for a unique software, but I assume it's possible to change it for the whole system? Here is a capture of the issue in ultraedit and here in 3dsMax for example.
 
Windows Build/Version
Windows 11 pro 1000.22000.493.0 21H2

My Computer

System One

  • OS
    Windows11
    Computer type
    Laptop
    Manufacturer/Model
    MSI
    CPU
    I7 1875H
    Memory
    32Go
    Graphics Card(s)
    2070 RTX

My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2 22631.3296
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 7080
    CPU
    i9-10900 10 core 20 threads
    Motherboard
    DELL 0J37VM
    Memory
    32 gb
    Graphics Card(s)
    none-Intel UHD Graphics 630
    Sound Card
    Integrated Realtek
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    1tb Solidigm m.2 +256gb ssd+512 gb usb m.2 sata
    PSU
    500w
    Case
    MT
    Cooling
    Dell Premium
    Keyboard
    Logitech wired
    Mouse
    Logitech wireless
    Internet Speed
    so slow I'm too embarrassed to tell
    Browser
    Firefox
    Antivirus
    Defender+MWB Premium
  • Operating System
    Windows 10 Pro 22H2 19045.3930
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 9020
    CPU
    i7-4770
    Memory
    24 gb
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    256 gb Toshiba BG4 M.2 NVE SSB and 1 tb hdd
    PSU
    500w
    Case
    MT
    Cooling
    Dell factory
    Mouse
    Logitech wireless
    Keyboard
    Logitech wired
    Internet Speed
    still not telling
    Browser
    Firefox
    Antivirus
    Defender+MWB Premium
Troubleshooting software conflicts can be a tedious thing but performing a clean boot can direct you to a troublesome app. Perform a Clean Boot in Windows 11 to Troubleshoot Software Conflicts Tutorial
Hi Glasskuter,

Thank you for your answer.
Already tried your guidance before but with no result.
This certainly happened with a software installed on my pc but I can't determinate which one.

Some additional clues:

- On a fresh new windows account just created, minimized mdi windows are OK. When I reboot, the issue appear and does not go away. (my guess is a registry value is changed at reboot)

- This is happening with all softwares using MDI.

- Had this issue on a former windows 10 environment (I reinstalled a fresh W11 system and put back all my previous software at same time, so impossible to know which one modified this setting)

I'm focused on searching THE windows parameter that I can change to go back to normal, rather than finding the software incriminated, for now.
 

My Computer

System One

  • OS
    Windows11
    Computer type
    Laptop
    Manufacturer/Model
    MSI
    CPU
    I7 1875H
    Memory
    32Go
    Graphics Card(s)
    2070 RTX
To those who have the same problem as me, I found the solution:

(win+r) regedit
HKEY_CURRENT_USER\Control Panel\Desktop\WindowMetrics
add the string value "MinWidth".

Change the string value named "MinWidth". Set its value using the following formula:
-15*width in pixels

For me, acceptable one was -3300

Little drawback: It also changes size of the minimized windows in the taskbar (make them much wider when there is a few of them in taskbar)
 

My Computer

System One

  • OS
    Windows11
    Computer type
    Laptop
    Manufacturer/Model
    MSI
    CPU
    I7 1875H
    Memory
    32Go
    Graphics Card(s)
    2070 RTX

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