valinet / valinet/ExplorerPatcher

Second monitor issue

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#5,022 16 comments 0 reactions 0 assignees View on GitHub

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Dominant language
C
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Description

Before reporting your issue
  • I have confirmed that this issue does not happen when ExplorerPatcher is not installed
  • I do not have "register as shell extension" enabled
  • I have tried my best to check existing issues
Repro ExplorerPatcher versions

Explorer Patcher 70.1

Repro Windows Versions

Win 11 25H2 26200.8457

3rd party tweak software installed

PowerToys v0.99.1 (but I think it is not important)

Describe the bug

After connecting secondary monitor (notebook --> through USB dock or directly HDMI port - both situation) AND while my Main panel is on left side, there is about 50% chance for:
Maximized window is about 1/4 window height and cannot be higher while not maximized can be any size;
When I move main panel down - windows shows corectly and it stay correct even if I move main panel back to left side ...

Expected outcome

maximized windows are maximazed on whole display

Actual outcome

maximized window use all width but just part of height of display

Additional info

No response

Crash Dumps

No response

Media

No response

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce on Windows 11 25H2 build 26200.8457 with ExplorerPatcher 70.1, using a secondary monitor through the dock or HDMI and placing the main panel on the left. Compare maximized-window sizing before and after moving the panel; done means maximized windows consistently occupy the full display height in the reported setup.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
desktop, operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
45/100

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