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1. GUID key (...Uninstall\{GUID}) is MSI-native metadata generated by Windows Installer.

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2. Non-GUID key (...Uninstall\RustDesk) is explicitly written by RustDesk’s MSI compatibility component in res/msi/Package/Components/Regs.wxs:44, populated by preprocess.py --arp from .github/workflows/
     flutter-build.yml:262.

  So they were not using the same EstimatedSize logic:

  - MSI GUID key: MSI-calculated size (KB).
  - RustDesk key: custom script value from res/msi/preprocess.py:339 (previously bytes, now fixed to KB).

  That mismatch is exactly why you saw different sizes.
This commit is contained in:
rustdesk
2026-02-19 17:52:17 +08:00
parent 9111bfc1de
commit 5fc0367abd
1 changed files with 3 additions and 1 deletions
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4
res/msi/preprocess.py
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@@ -336,7 +336,9 @@ def gen_custom_ARPSYSTEMCOMPONENT_True(args, dist_dir):
f'{indent}<RegistryValue Type="integer" Name="Language" Value="[ProductLanguage]" />\n'
)
estimated_size = get_folder_size(dist_dir)
# EstimatedSize in uninstall registry must be in KB.
estimated_size_bytes = get_folder_size(dist_dir)
estimated_size = max(1, (estimated_size_bytes + 1023) // 1024)
lines_new.append(
f'{indent}<RegistryValue Type="integer" Name="EstimatedSize" Value="{estimated_size}" />\n'
)