As AGU_HD mentioned, mfc140u.dll was missing from Windows 11. After
installing MS VS C++, the FortiClient application began working again.
Please try to download and install both x86 and x64 versions of the
multi-installer Visual C++ 2015, 2017 and 2...
Can confirm that removing the 8x Adobe CA certificates that show up
under Certificates - Current User > Personal > Certificates - resolves
the issue.
I can confirm that this behavior is appearing in our environment too.
Adobe + FortiClient 7.2.4 = No good.A specific machine began reporting
this behavior. I could not get it to connect to the VPN to save my life.
Same User Account + ForiClient7.2.4 ...