Multiplicity 4 fails clipboard and file copy on Win 11
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Multiplicity 4.07 Pro — Intermittent File Copy and Clipboard Failures; RADAR Memory Leak on Secondary
Environment
- Multiplicity 4.07 Pro on all machines
- 3x Windows 11 24H2, fully updated
- One primary, two secondaries
- Secondaries are freshly unboxed, clean installs
- Primary is well-maintained, clean system
- All machines running Windows Defender only — no third-party AV or firewall
- All machines on the same private network with standard Windows network settings
Observed behavior
| Operation | Result |
|---|---|
| File copy: Secondary → Secondary | Works correctly in both directions |
| File copy: Primary → Secondary | Intermittent — sometimes works, sometimes fails |
| File copy: Secondary → Primary | Fails — no progress, no error, silent |
| Clipboard: Secondary → Primary | Intermittent — sometimes works |
| Clipboard: Primary → Secondary | Fails — silent, no error message |
| Clipboard: Secondary → Secondary | Fails — silent, no error message |
Diagnostic finding
Event Name: RADAR_PRE_LEAK_64
P1: MultiPLV64.EXE
Bucket: 1988996491034500250, type 5
RADAR_PRE_LEAK_64 is Windows' resource leak diagnostic firing against Multiplicity's live preview component on the secondary, indicating virtual memory or handle accumulation.