Page 1 of 1
[ANSWERED] Windows Host Process Rundll32 high CPU Usage
Posted: June 17th, 2019, 3:42 pm
by Ayden
Recently whenever I try to open SAMP or run any .dll file, I notice that my laptop starts heating up and fan starts making noise. After several days I noticed that there is a file called Rundll32 that starts working once I open SAMP that takes like 70% or even more of the UCP. Any ways to stop that from happening?
Re: Windows Host Process Rundll32 high CPU Usage
Posted: June 17th, 2019, 3:52 pm
by Clestor
Sometimes viruses, trojans, malware enter your computer with the same name as Rundll32
https://www.file.net/process/rundll32.exe.html
I know this is a very old post, but I have had this identical issue for two days and I did find the culprit. In the Windows/system32 folder I found a file called "winthemes_service.dll" which was proliferating rundll32.exe files. As time went on I would have a hundred or more on my win xp system. I opened windows in the safe mode and simply did a search for this file name and deleted it. Case closed... Hope this may help someone else...
https://forums.tomshardware.com/threads ... p.1205418/
https://www.file.net/process/rundll32.exe.html
Try these, might help you
Re: Windows Host Process Rundll32 high CPU Usage
Posted: June 17th, 2019, 4:05 pm
by Ayden
I searched and didnt find any "winthemes_service.dll"?
Re: Windows Host Process Rundll32 high CPU Usage
Posted: June 17th, 2019, 4:32 pm
by Ayman
Rundll32 high cpu usage means that a virus affected windows files, i suggest you to scan your pc by windows defender or some antivirus , if you have NONE , no problem follow these steps to remove the virus manually.
1- Open your Task Manager and stop viral rundll32.exe process. You can detect it by the high usage of CPU (ranging from 40% to 100%);
2- Open Registry Editor, by pressing Win+R buttons and typing regedit in the line. Then navigate the following Registry Keys and remove them:
HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\XTray.exe
3- Find all the files that can be called like rundll32, except the file that exist in C:\Windows\System32\ folder
4- After that you should do the full scan of your computer with the help of a powerful antivirus program.
Re: Windows Host Process Rundll32 high CPU Usage
Posted: June 17th, 2019, 5:22 pm
by Ayden
StyLa wrote: ↑June 17th, 2019, 4:32 pm
Rundll32 high cpu usage means that a virus affected windows files, i suggest you to scan your pc by windows defender or some antivirus , if you have NONE , no problem follow these steps to remove the virus manually.
1- Open your Task Manager and stop viral rundll32.exe process. You can detect it by the high usage of CPU (ranging from 40% to 100%);
2- Open Registry Editor, by pressing Win+R buttons and typing regedit in the line. Then navigate the following Registry Keys and remove them:
HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\XTray.exe
3- Find all the files that can be called like rundll32, except the file that exist in C:\Windows\System32\ folder
4- After that you should do the full scan of your computer with the help of a powerful antivirus program.
Which should I delete?
Re: Windows Host Process Rundll32 high CPU Usage
Posted: June 17th, 2019, 7:46 pm
by Ayden
I deleted all files and reinstalled a new Rundll.exe file and still same problem. Also I cant open GTA with this problem.
Re: Windows Host Process Rundll32 high CPU Usage
Posted: June 17th, 2019, 8:19 pm
by tisler
maybe download malwarebytes and run a virus search instead of deleting random dll files hoping it will fix it
Re: Windows Host Process Rundll32 high CPU Usage
Posted: June 17th, 2019, 8:21 pm
by Skinner
It is cause there is a windows update available. please install it and will be fixed sir
Re: Windows Host Process Rundll32 high CPU Usage
Posted: June 17th, 2019, 9:21 pm
by vans
tisler wrote: ↑June 17th, 2019, 8:19 pm
maybe download malwarebytes and run a virus search instead of deleting random dll files hoping it will fix it
Re: Windows Host Process Rundll32 high CPU Usage
Posted: June 17th, 2019, 11:01 pm
by Ayden
tisler wrote: ↑June 17th, 2019, 8:19 pm
maybe download malwarebytes and run a virus search instead of deleting random dll files hoping it will fix it
I have malwerbytes and it detected nothing.
Re: Windows Host Process Rundll32 high CPU Usage
Posted: June 18th, 2019, 9:49 am
by itzxy
What OS are you using?
Re: Windows Host Process Rundll32 high CPU Usage
Posted: June 18th, 2019, 12:25 pm
by Ayden
2WICE wrote: ↑June 18th, 2019, 9:49 am
What OS are you using?
Windows 7
Re: Windows Host Process Rundll32 high CPU Usage
Posted: June 18th, 2019, 1:49 pm
by itzxy
Since you are using Windows 7, It's possible that the rundll32 is coming from GameUX.
Try remove it from \Windows\System32\GameUX.dll & \Windows\SysWOW64\GameUX.dll
You can also try alternative way which is 'end process' from task manager while running your games.
Re: Windows Host Process Rundll32 high CPU Usage
Posted: June 18th, 2019, 5:09 pm
by Skinner
Skinner wrote: ↑June 17th, 2019, 8:21 pm
It is cause there is a windows update available. please install it and will be fixed sir
Did you do this?
Re: Windows Host Process Rundll32 high CPU Usage
Posted: June 18th, 2019, 5:21 pm
by Ayden
I will try it and tell you.
Re: Windows Host Process Rundll32 high CPU Usage
Posted: June 19th, 2019, 8:13 pm
by Ayden
Skinner wrote: ↑June 18th, 2019, 5:09 pm
Skinner wrote: ↑June 17th, 2019, 8:21 pm
It is cause there is a windows update available. please install it and will be fixed sir
Did you do this?
Yes and nothing changed.
Re: Windows Host Process Rundll32 high CPU Usage
Posted: June 20th, 2019, 5:26 pm
by NULL
Try disabling Windows Update from services.msc
Win + R -> services.msc
Re: Windows Host Process Rundll32 high CPU Usage
Posted: June 21st, 2019, 12:34 am
by Ayden
DISISLYF wrote: ↑June 20th, 2019, 5:26 pm
Try disabling Windows Update from services.msc
Win + R -> services.msc
tried it before and nothing.
Re: Windows Host Process Rundll32 high CPU Usage
Posted: June 21st, 2019, 2:18 am
by Ayden
2WICE wrote: ↑June 18th, 2019, 1:49 pm
Since you are using Windows 7, It's possible that the rundll32 is coming from GameUX.
Try remove it from \Windows\System32\GameUX.dll & \Windows\SysWOW64\GameUX.dll
That worked! Thank you very much man really appreciated
Answered, thanks everyone.
Re: [ANSWERED] Windows Host Process Rundll32 high CPU Usage
Posted: June 21st, 2019, 4:33 am
by Giacomo
This thread is now archived.