Dllhost.exe is a running process on the taskbar that can be easily monitored from System Task Manager resource usage and the point to note here is that it takes up a major amount of your system resources like CPU and RAM which drastically affects your overall system performance and therefore it is necessary that you should always take care about these background process so to avoid such system performance issues in near future. Though there is no single reason associated with dllhost.exe taking too much cpu memory usage therefore we have to go through a series of fixes until the issue is resolved but before we move on it is important that we should know what actually is Dllhost.exe and possible reasons associated for dllhost.exe taking too much cpu memory usage problem.
What is Dllhost.exe ?
There is a great confusion among most of the PC Users thinking dllhost.exe to a be a suspicious threat or virus but in reality it is safe windows process. Dllhost.exe is a Windows DCOM DLL Host process basically responsible for managing DLL (Dynamic Link Library) and is really a very crucial part of windows responsible for coordinating build-in controls, drivers, software and hardware appropriately.It executes COM+ DLLs and controls processes in the Internet Information Services (IIS). Though it is quite safe to kill or terminate any misbehaving dllhost.exe process as it will kill only the selected COM+ DLL that is being run but still removing the executable file altogether may affect your system as your system will no longer be able to execute COM+ DLLs and thus rendering significant parts of the system unusable.
Despite of providing so much useful operations it suffers from a major drawback that most of users are found reporting dllhost.exe taking too much CPU RAM Memory usage causing CPU or RAM utilization to reach upto 70% and even 100% sometimes but don’t worry if you are facing this issue you can easily fix it by following the below given simple fixes.
Dllhost.exe Taking Too much CPU RAM Memory Usage : Best FIXES
Fix – 1 : System File Checker (SFC)
- Open your command prompt and Run it as Administrator -> Type the command sfc/scannow
Note – It is a System File Checker and is known to fix such issues that checks for dllhost com surrogate issue to get it resolved automatically.
Fix -2 : Checking for Suspicious Activities
Dllhost.exe is a very important system process that runs on every Windows machine therefore it is more common for hackers, virus writers to disguise these viruses or malwares as genuine dllhost.exe and these files are having the same name as the process but stored somewhere else other than %SystemRoot%\System32 directory.
Here below are some common known malwares that are known to disguise themselves as dllhost.exe
- W32/Lovelet-Y (%SystemRoot%\dllhost.com, %SystemRoot%\System32\dllhost.com)
- W32/Nachi-A (%SystemRoot%\Wins)
- Troj/Sivion-A (%SystemRoot%\System32\System\dllhost.exe)
- W32/Lovelet-DR (%SystemRoot%\System32\dllhost.dll)
Therefore it is advisable that you should first carefully observe whether you are facing the issue due to these malware activities or something else and if you are facing it due to malware then it is recommended that you should immediately install a good antivirus/antimalware/antispyware and run a full system scan for viruses, malwares or spywares.
Fix 3 : For Advanced Users
If the above mentioned solution doesn’t work out for you then there is no need to worry if you are programmer or have good technical skills with working knowledge of COM + DLL components then you can go through the below given step by step tutorial in order to fix the issue.