F-Secure won't load on startup

Hi,
F-Secure on my laptop has started playing up and won't load when I start the machine. It was running fine and then F-Secure updated and now I keep getting a message saying the machine needs to restart. I'm running Windows 11 and the latest version of F-Secure Total. Any help would be amazing. Thanks.
Comments
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Hello,
Could you make a screenshot of 'a message saying the machine needs to restart' or to describe it?
Is it from F-Secure? or is it Windows notification or something like this?
// there are some discussions around: for example, one is about "Device Protection malfunction" with request of system restart (F-Secure shows it); another is about potentially inability to even open F-Secure user interface or use it;
With known 'situations', the reasons are like if incompatibility with some installed software or some networking rules / filters. And sometimes there are troubles with receiving or applying 'updates' (definitions or sort of things), which then will make a request to "restart".
However, if VPN is included in your F-Secure TOTAL package, can you run it and then to check updates by rightbutton mouse clicking F-Secure tray logo > "Check Updates" after system restart.
Thanks!
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Hi,
Thank you for replying. F-Secure was working fine then it updated and now won't start. The error message is from F-Secure and I'm not very proficient in technology to know exactly what's going on. I have it installed on other machines and they all work fine. There is a software on my machine called CCleaner that might be clashing so I'll try uninstalling that. Thank you.