# F-Secure Application: F-Secure Also called f secure, f-secure total, withsecure consumer F-Secure, Security A Finnish consumer security suite. WithSecure is the B2B split. fshoster64.exe is a common host. It is not Windows Security. ## What you need to know F-Secure is the Finnish home suite. WithSecure is the work split. F-Secure is the consumer company after the 2022 split. fshoster64.exe is a usual host. It should take the antivirus slot. Two live engines with Defender is the conflict. WithSecure is not this download. - **What is it?**: Finnish consumer suite **Same as WithSecure?**: No. That is the B2B split **Plus Defender?**: No. One live engine Feex says If fshoster64.exe is present, I would treat it as F-Secure, not MsMpEng.exe. I would not stack it on Defender. A WithSecure installer from IT is the work split, not this home suite. ## What is F-Secure? F-Secure is the Finnish consumer suite. fshoster64.exe is a common process. WithSecure is the enterprise sibling company. ## If you have never used it If the suite says F-Secure, this is the Finnish consumer brand. Download from f-secure.com. WithSecure is the business company that split off. fshoster64.exe is a usual host. The suite should take the antivirus slot. fshoster64.exe plus live MsMpEng.exe is the two-engine fight. This is not Defender. ## What is it used for? **Resident antivirus** The consumer app registers as the active engine so Defender can go passive. **Total extras** VPN and password extras sit in Total. That is still F-Secure, not WithSecure Elements. **Freedome VPN leftover** Older Freedome branding is an F-Secure VPN product, not the antivirus host by itself. ## Who is it for? - Nordic and EU households that standardized on F-Secure - People who see fshoster64.exe and wonder if it is Defender - Anyone offered a WithSecure agent at work ## Current status Actively sold as consumer F-Secure. This article is not WithSecure Elements. ## How old is it? F-Secure dates to 1988 in Finland. In 2022 the company split consumer F-Secure from WithSecure B2B. Current home SKUs say Total or similar. A 2004 F-Secure Internet Security box is the same family, not the current build. ## Versions Major channels first. Exact build numbers are not all verified here. F-Secure Total F-Secure Internet Security WithSecure (work, other company) ## System requirements Values follow the publisher's public guidance. Workload still changes the real need. ### Minimum | Operating system | Windows 10 or Windows 11, per current F-Secure support | | ---------------- | ---------------------------------------------------------- | | RAM | F-Secure lists a 2 GB class minimum on many consumer pages | ## Resource profile - **CPU demand**: Host plus scans **Network demand**: Definitions and Total extras ## Installed processes These executables belong to this product when it is installed. | fshoster64.exe | F-Secure host process on 64-bit Windows | | -------------- | --------------------------------------- | | fshoster32.exe | 32-bit host on some leftover installs | ## Startup components fshoster64.exe starts with Windows while F-Secure owns protection. ## File locations | Typical install | C:\Program Files\F-Secure\\ | | --------------- | --------------------------- | ## Common problems ### fshoster64.exe plus live Defender F-Secure should own realtime. If Defender is still the owner, both engines are live. ### WithSecure agent next to Home Total Work and home products from the split can overlap on a laptop used for both. Pick the owner IT wants on a managed PC. ## Getting unstuck ### Confirm Program Files\F-Secure fshoster64.exe belongs with the consumer suite. A WithSecure path is the work product. ### Check Windows Security for F-Secure The owner should change after a successful register. ### Install from f-secure.com withsecure.com is the B2B company. Home users do not download that sensor for a family PC. ## Alternatives Windows Security if you drop the suite. Do not add Avast as a second live engine. ## Official help and downloads Start with the vendor. Random exe sites are not a support channel. | Download | [www.f-secure.com/ ](https://www.f-secure.com/)Official installer or vendor page | | ------------- | --------------------------------------------------------------------------------- | | Help | [www.f-secure.com/en/support ](https://www.f-secure.com/en/support)Vendor support | | Official site | [www.f-secure.com/ ](https://www.f-secure.com/)Start here, not a random exe host | ## Related hardware Resident scans follow the disk. The Finnish suite is not a GPU benchmark. ## Technical details Technical details Vendor version numbers change. This article does not pin a build. ## Related These entities connect to this article. Type is shown on every link. [Windows Security: Application](https://feex.it/wiki/software/windows-security)[How to read Task Manager: Guide](https://feex.it/wiki/software/system/how-to-read-task-manager) ## Sources and verification Reviewed by Feex editorial. Last verified August 2026 Status: Feex Reviewed. [How we research](https://feex.it/wiki/research). - [F-Secure official site ](https://www.f-secure.com/)· Vendor product page - [F-Secure help ](https://www.f-secure.com/en/support)· Vendor support - [Foxhole process map ](https://foxhole.feex.it/)· First-party samples on Windows PCs. Not a lab benchmark. ## Was this article useful? A yes or no is enough. Pick a reason if you want, or add a short note. Quick facts The short identity of this page. Specs, sources, and the full story stay in the article. - **Developer**: F-Secure **Category**: Consumer security suite **Process**: fshoster64.exe **License**: Paid consumer SKUs **First released**: 1988 **Official site**: [f-secure.com](https://www.f-secure.com/) **Mapped by Feex**: Seen on Windows PCs in Foxhole Feex Reviewed: Last verified August 2026 --- Source: [Canonical Feex Wiki page](https://feex.it/wiki/software/f-secure/) [Developer guide](https://feex.it/wiki/developers/) | [API policy](https://feex.it/developers/api-policy/) | [Agent guidance](https://feex.it/wiki/llms.txt)