Forum Discussion
Control Flow Guard caused tasks to suspend on launch
I've been tracking down the cause of a really troubling problem that started 5-6 x64 canary releases ago:
running some executables would lead to a delay of 20-30 seconds before the application would actually launch. Discovered they were starting but immediately going into a suspended state (viewable in Task Manager) for up to 30 seconds, then they would appear on the screen and function normally. An example is Notepad++.
I could repro the issue on demand by launching the app and then terminating it and then executing again a few times in rapid succession.
Disabling Control Flow Guard (CFG) in Windows Security, App & Browser, Exploit Protection seems to resolve the issue.
Reported in feedback, where there were about two other reports of similar behavior.
Anybody else seeing issues with CFG ?
I'm experiencing the same problem with opening photos and PDF files. This issue started right after the Windows 11 24H2 update.
After the computer has been on for some time, multiple attempts to open files result in the application starting in suspended mode in Task Manager. In my case, disabling CFG did not resolve the issue.
