COM surrogate using 14/16GB of RAM (2024)

Aceman.au

COM surrogate using 14/16GB of RAM (2)
Joined
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Messages
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Shepparton, Victoria, Australia

System Specs

System NameToaster!
ProcessorIntel Core i7 10700KF @ 3.8/5.1GHZ
MotherboardASUS Prime Z490-P Motherboard
CoolingNoctua NH-D15 CPU cooler.
MemoryG.Skill Trident Z RGB 64GB (4x16GB) 3600MHz CL16 DDR4
Video Card(s)ASUS ROG Strix GeForce RTX 3090 OC 24GB
StorageSamsung 970 PRO M.2 NVMe SSD 1TB
Display(s)Asus ROG PG43UQ 4K UHD 144Hz G-Sync HDR 43in + 2 x ASUS VG258Q FHD 144Hz Freesync 25in Monitor
CaseCorsair Obsidian 900D
Audio Device(s)EPOS Sennheiser GSX 1000 V2 amplifier + EPOS Gaming GSP 601 Headset
Power SupplyCorsair AX1000 Titanium Modular
MouseRazer Deathadder
KeyboardCorsair K70.
SoftwareALL HAIL WINDOWS 10.
Benchmark ScoresOld system: http://www.3dmark.com/fs/6805248
  • Aug 25, 2014
  • #1

So my PC was lagging out a sh*t ton. Like my mouse was lagging all over the screen. So I CTRL ALT DELETE and open the task manager and to my amazement I find a process called dllhost with the description reading "COM surrogate" consuming a massive 14 GB of the 16GB of RAM. Upon ending the process the lag immediately stopped and it hasn't run again yet.

A google search yeilded no result I could put it down to.

Recent software changes. (I put this in General hardware as it may not be software related, move the thread if you think it needs moving.)

Tri Def 3D media player installed
Power ISO updated
Lastest AMD beta driver 14.7

Ok update. The process is back and now up to 2GB of RAM use and slowly rising.

Ok 1 result of google suggests this is 3D media player software related. But there's no other tridef 3D software running. I killed the process for a second time and it hasnt come back yet.

The process keeps coming back and slowly consuming more and more RAM.

Uninstalled a whole bunch of programs to no effect. Currently running AVG full PC scan.

As I was typing this the process rebooted and I touched nothing but this. AVG yeilded no results.

I'm out of ideas. Anyone got any recommendations?

EDIT: Process self ended.

Last edited by a moderator:

Toothless

Tech, Games, and TPU!

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Processor5950x
MotherboardAsus Crosshair VIII Hero Wi-Fi
CoolingCorsair H150i RGB Elite
Memory2x16GB G.Skill TridentZ
Video Card(s)Powercolor 7900XTX Red Devil
StorageCrucial P5 Plus 1TB, Samsung 980 1TB, Teamgroup MP34 4TB
Display(s)Acer Nitro XZ342CK Pbmiiphx + 2x AOC 2425W
CaseFractal Design Meshify Lite 2
Audio Device(s)Blue Yeti + SteelSeries Arctis 5 / Samsung HW-T550
Power SupplyCorsair HX850
MouseCorsair Nightsword
KeyboardCorsair K55
VR HMDHP Reverb G2
SoftwareWindows 11 Professional
Benchmark ScoresPEBCAK
  • Aug 25, 2014
  • #3

What OS are you using?

Aceman.au

COM surrogate using 14/16GB of RAM (5)
Joined
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Messages
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Location
Shepparton, Victoria, Australia

System Specs

System NameToaster!
ProcessorIntel Core i7 10700KF @ 3.8/5.1GHZ
MotherboardASUS Prime Z490-P Motherboard
CoolingNoctua NH-D15 CPU cooler.
MemoryG.Skill Trident Z RGB 64GB (4x16GB) 3600MHz CL16 DDR4
Video Card(s)ASUS ROG Strix GeForce RTX 3090 OC 24GB
StorageSamsung 970 PRO M.2 NVMe SSD 1TB
Display(s)Asus ROG PG43UQ 4K UHD 144Hz G-Sync HDR 43in + 2 x ASUS VG258Q FHD 144Hz Freesync 25in Monitor
CaseCorsair Obsidian 900D
Audio Device(s)EPOS Sennheiser GSX 1000 V2 amplifier + EPOS Gaming GSP 601 Headset
Power SupplyCorsair AX1000 Titanium Modular
MouseRazer Deathadder
KeyboardCorsair K70.
SoftwareALL HAIL WINDOWS 10.
Benchmark ScoresOld system: http://www.3dmark.com/fs/6805248

FreedomEclipse

~Technological Technocrat~
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System NameCodename: Icarus Mk.VI
ProcessorIntel 8600k@Stock -- pending tuning
MotherboardAsus ROG Strixx Z370-F
CoolingCPU: BeQuiet! Dark Rock Pro 4 {1xCorsair ML120 Pro|5xML140 Pro}
Memory32GB XPG Gammix D10 {2x16GB}
Video Card(s)ASUS Dual Radeon™ RX 6700 XT OC Edition
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Display(s)LG GP850-B
CaseCorsair 760T (White)
Audio Device(s)Yamaha RX-V573|Speakers: JBL Control One|Auna 300-CN|Wharfedale Diamond SW150
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KeyboardDuckyshine Dead LED(s) III
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Benchmark Scores(ノಠ益ಠ)ノ彡┻━┻
  • Aug 25, 2014
  • #4

Probably just a memory leak

Silas Woodruff

COM surrogate using 14/16GB of RAM (8)
Joined
May 2, 2013
Messages
178(0.04/day)

System Specs

System NameEcho
ProcessorIntel Core I5-6500
MotherboardAsrock H170-PRO4S
CoolingStock cooler
Memory2x8 GB Crucial DDR4 2133MHz CL16 (CT2K8G4DFD8213)
Video Card(s)Integrated (For the moment)
StorageSSD A-DATA Premier Pro SP920 (2.5, SATA3, 256GB MLC,) (ASP920SS3-256GM-C)
Display(s)Philips Brilliance 220SW
CaseZalman Z3 Plus
Audio Device(s)Integrated
Power SupplyCoolerMaster V550S (550w, 80+Gold)
SoftwareWindows 10 Pro 64bit
  • Aug 25, 2014
  • #5

Well next time it appears right click on it in task manager and open file location, this might help uninstall it if you are sure you dont need it, to me it appears to just eat ram for nothing.(My opinion with no real research)

Toothless

Tech, Games, and TPU!

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Memory2x16GB G.Skill TridentZ
Video Card(s)Powercolor 7900XTX Red Devil
StorageCrucial P5 Plus 1TB, Samsung 980 1TB, Teamgroup MP34 4TB
Display(s)Acer Nitro XZ342CK Pbmiiphx + 2x AOC 2425W
CaseFractal Design Meshify Lite 2
Audio Device(s)Blue Yeti + SteelSeries Arctis 5 / Samsung HW-T550
Power SupplyCorsair HX850
MouseCorsair Nightsword
KeyboardCorsair K55
VR HMDHP Reverb G2
SoftwareWindows 11 Professional
Benchmark ScoresPEBCAK
  • Aug 25, 2014
  • #6

Could always just force-stop the service and prevent it from starting itself.

Aceman.au

COM surrogate using 14/16GB of RAM (11)
Joined
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Messages
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Location
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System Specs

System NameToaster!
ProcessorIntel Core i7 10700KF @ 3.8/5.1GHZ
MotherboardASUS Prime Z490-P Motherboard
CoolingNoctua NH-D15 CPU cooler.
MemoryG.Skill Trident Z RGB 64GB (4x16GB) 3600MHz CL16 DDR4
Video Card(s)ASUS ROG Strix GeForce RTX 3090 OC 24GB
StorageSamsung 970 PRO M.2 NVMe SSD 1TB
Display(s)Asus ROG PG43UQ 4K UHD 144Hz G-Sync HDR 43in + 2 x ASUS VG258Q FHD 144Hz Freesync 25in Monitor
CaseCorsair Obsidian 900D
Audio Device(s)EPOS Sennheiser GSX 1000 V2 amplifier + EPOS Gaming GSP 601 Headset
Power SupplyCorsair AX1000 Titanium Modular
MouseRazer Deathadder
KeyboardCorsair K70.
SoftwareALL HAIL WINDOWS 10.
Benchmark ScoresOld system: http://www.3dmark.com/fs/6805248
  • Aug 25, 2014
  • #7

Lightbulbie said:

Could always just force-stop the service and prevent it from starting itself.

It restarts itself. How do I prevent it from stating in the future?

AsRock

TPU addict
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  • Aug 25, 2014
  • #8

Silas Woodruff said:

Well next time it appears right click on it in task manager and open file location, this might help uninstall it if you are sure you dont need it, to me it appears to just eat ram for nothing.(My opinion with no real research)

Aceman.au said:

It restarts itself. How do I prevent it from stating in the future?

Do the above what silas said and if no uninstall file is found there, if none is found go tot he file location again and shut the program down and try renaming the file.

Aceman.au

COM surrogate using 14/16GB of RAM (14)
Joined
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Messages
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Location
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System Specs

System NameToaster!
ProcessorIntel Core i7 10700KF @ 3.8/5.1GHZ
MotherboardASUS Prime Z490-P Motherboard
CoolingNoctua NH-D15 CPU cooler.
MemoryG.Skill Trident Z RGB 64GB (4x16GB) 3600MHz CL16 DDR4
Video Card(s)ASUS ROG Strix GeForce RTX 3090 OC 24GB
StorageSamsung 970 PRO M.2 NVMe SSD 1TB
Display(s)Asus ROG PG43UQ 4K UHD 144Hz G-Sync HDR 43in + 2 x ASUS VG258Q FHD 144Hz Freesync 25in Monitor
CaseCorsair Obsidian 900D
Audio Device(s)EPOS Sennheiser GSX 1000 V2 amplifier + EPOS Gaming GSP 601 Headset
Power SupplyCorsair AX1000 Titanium Modular
MouseRazer Deathadder
KeyboardCorsair K70.
SoftwareALL HAIL WINDOWS 10.
Benchmark ScoresOld system: http://www.3dmark.com/fs/6805248
  • Aug 25, 2014
  • #9

Ok. Hope this doesnt break my system

95Viper

Super Moderator

Staff member

Joined
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Messages
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  • Aug 25, 2014
  • #10

Some things to try...

Run "sfc /scannow" (no quotes and a space between the "c" and "/")
Check for a misbehaving codec.
Update your video software to the latest version... same if they supply codecs.
Update to the lastest video software for your GPUs or try an earlier version.
Run CCleaner's file AND registery cleaner (run the registry cleaner again until it finds no problems)

Read this for some insight into the "dllhost.exe process" --> What does the COM Surrogate do and why does it always stop working?
And, maybe, of some more help --> The Case of the Slooooow System

Last edited:

Aceman.au

COM surrogate using 14/16GB of RAM (17)
Joined
Jun 19, 2008
Messages
1,555(0.26/day)
Location
Shepparton, Victoria, Australia

System Specs

System NameToaster!
ProcessorIntel Core i7 10700KF @ 3.8/5.1GHZ
MotherboardASUS Prime Z490-P Motherboard
CoolingNoctua NH-D15 CPU cooler.
MemoryG.Skill Trident Z RGB 64GB (4x16GB) 3600MHz CL16 DDR4
Video Card(s)ASUS ROG Strix GeForce RTX 3090 OC 24GB
StorageSamsung 970 PRO M.2 NVMe SSD 1TB
Display(s)Asus ROG PG43UQ 4K UHD 144Hz G-Sync HDR 43in + 2 x ASUS VG258Q FHD 144Hz Freesync 25in Monitor
CaseCorsair Obsidian 900D
Audio Device(s)EPOS Sennheiser GSX 1000 V2 amplifier + EPOS Gaming GSP 601 Headset
Power SupplyCorsair AX1000 Titanium Modular
MouseRazer Deathadder
KeyboardCorsair K70.
SoftwareALL HAIL WINDOWS 10.
Benchmark ScoresOld system: http://www.3dmark.com/fs/6805248
  • Aug 25, 2014
  • #11

95Viper said:

Some things to try...

Run "sfc /scannow" (no quotes and a space between the "c" and "/")
Check for a misbehaving codec.
Update your video software to the latest version... same if they supply codecs.
Update to the lastest video software for your GPUs or try an earlier version.
Run CCleaner's file AND registery cleaner (run the registry cleaner again until it finds no problems)

Read this for some insight into the "dllhost.exe process" --> What does the COM Surrogate do and why does it always stop working?
And, maybe, of some more help --> The Case of the Slooooow System

It hasn't shown up for 2 hours now.

Ive done the SFC and Ccleaner already. All drivers up to date.

Toothless

Tech, Games, and TPU!

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Joined
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Processor5950x
MotherboardAsus Crosshair VIII Hero Wi-Fi
CoolingCorsair H150i RGB Elite
Memory2x16GB G.Skill TridentZ
Video Card(s)Powercolor 7900XTX Red Devil
StorageCrucial P5 Plus 1TB, Samsung 980 1TB, Teamgroup MP34 4TB
Display(s)Acer Nitro XZ342CK Pbmiiphx + 2x AOC 2425W
CaseFractal Design Meshify Lite 2
Audio Device(s)Blue Yeti + SteelSeries Arctis 5 / Samsung HW-T550
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KeyboardCorsair K55
VR HMDHP Reverb G2
SoftwareWindows 11 Professional
Benchmark ScoresPEBCAK
  • Aug 25, 2014
  • #12

Can you disable it in your services?

OneMoar

There is Always Moar
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System NameRPC MK2.5
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KeyboardEVGA Z15
SoftwareWindows 11 +startisallback
  • Aug 25, 2014
  • #13

uninstall update KB267083 and IE10 for good measure its a known issue
com surrogate is the host process or COM related objects deleting or renaming it will break stuff or even render the machine unbootable
another but unlikely cause is broken video files causing the thumbnail cache to break if removing the aforementioned doesn't correct it disable thumbnail previews of video files

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COM surrogate using 14/16GB of RAM (2024)

FAQs

Why is a com surrogate using so much power? ›

If your computer is attacked by a virus, COM Surrogate high CPU usage Windows 10 may also occur. To avoid any misfortunate events like this, you need to scan with your Antivirus software. Here, we just take Windows Defender as an example.

Should I disable com surrogate in startup? ›

It is very important that you do not remove COM Surrogate or other system files if you find it running on your machine unless a legitimate antivirus program flags it. Removing legitimate COM Surrogate processes can severely damage your machine's operations.

How to reduce com surrogate? ›

How do I fix COM Surrogate high CPU, disk and memory usage?
  1. Perform a clean boot. Press the Windows key + R , type msconfig, and click OK. ...
  2. Perform SFC and DISM scans. ...
  3. Scan for malware. ...
  4. Close the process using Task Manager. ...
  5. Use Process Monitor to find the problematic file. ...
  6. Check your hard drive for errors.
Jul 3, 2024

What is com surrogate on my computer? ›

It manages all the DLL files, and it is beneficial in providing extensions for the simplified work. The most basic example of the tasks performed by COM surrogate is that when a user opens a folder, it generates the thumbnails for various types of files in the folder.

How to remove com surrogate virus? ›

Short on time? Here's how to remove the COM Surrogate virus:
  1. Scan Device — Scan your PC using a trusted antivirus (Norton has an excellent virus scanner).
  2. Remove Virus — If the antivirus detects the COM Surrogate virus, let the antivirus remove all instances of the virus and any malicious files related to it.

Why is the system taking so much CPU? ›

High-performance apps like games and video editors often consume 50% or more of the CPU's capabilities. And all the other smaller programs running add up to push CPU usage even higher, to potentially dangerous levels. Having too many tabs open in browsers like Google Chrome can also cause high CPU usage.

What apps are safe to disable at startup? ›

Commonly Found Startup Programs and Services
  • iTunes Helper. If you have an Apple device (iPod, iPhone, etc.), this process will automatically launch iTunes when the device is connected to the computer. ...
  • QuickTime. ...
  • Zoom. ...
  • Google Chrome. ...
  • Spotify Web Helper. ...
  • CyberLink YouCam. ...
  • Evernote Clipper. ...
  • Microsoft Office.

How do I remove unnecessary startup processes? ›

Windows Settings
  1. Open the Start menu and click Settings.
  2. Click Apps.
  3. Click Startup on the left menu.
  4. Toggle off the programs you don't want running at startup.
Feb 23, 2023

How do I remove malware from startup? ›

Follow these six steps to malware removal on a PC.
  1. Step 1: Disconnect from the internet. ...
  2. Step 2: Enter safe mode. ...
  3. Step 3: Check your activity monitor for malicious applications. ...
  4. Step 4: Run a malware scanner. ...
  5. Step 5: Fix your web browser. ...
  6. Step 6: Clear your cache.

Is it necessary to use COM Surrogate? ›

COM Surrogate processes, short for Component Object Model, are necessary components in Windows. They are used to run software extensions that other programs need to run. And if those extensions crash, it is the surrogate processes that are affected and not the programs that were running them.

How to close file in com surrogate? ›

Step 1: Press the Ctrl + Shift + Esc keys to open the Task Manager. Step 2: In the Task Manager window, switch to the Details tab. Step 3: Find the dllhost.exe process. Then right-click it and click End task.

How can I reduce my surrogacy cost? ›

As an intended parent, you may be able to lower the cost of surrogacy by starting an online fundraiser, applying for grants, and asking family and friends to consider becoming a surrogate. If surrogacy remains financially out of reach, you can consider alternative options such as adoption or foster care.

Can someone spy on my computer? ›

Spyware can keep track of every keystroke you type, every software application you use, every website you visit, every chat or instant message you send, every document you open, and everything you print. Some spyware software gives the person monitoring the ability to freeze, shutdown or restart your computer.

How do I get rid of spyware on my computer? ›

The best way to remove spyware is to use an anti-spyware scanner. Download and install a reliable free antivirus solution, and it will detect and remove the spyware from your device.

Why do I have so many Service Host processes? ›

Why are there so many Service Host processes running? Grouping and running similar Service Host processes under their own umbrella helps preserve your PC's CPU and memory, and it eliminates the risk that any one problem will cause your entire computer to crash.

Why is the Windows antimalware service executable? ›

Antimalware Service Executable (MsMpEng.exe) is a critical component of Windows Defender, responsible for real-time scanning and protection against malware threats. However, in some cases, it can lead to high disk usage, causing performance issues.

Can I end task runtime broker? ›

To stop Runtime Broker from using so much memory, select Runtime Broker in the list, select End task to close Runtime Broker, and then restart your computer.

Why is Microsoft Phone Link running? ›

Microsoft Phone Link (formerly Your Phone) is a Windows app that connects your Android phone or iPhone to your computer. As the app runs in the background, you may notice the yourphone.exe process appear in Task Manager. Phone Link is a legitimate utility and has minimal effect on your system's performance.

How do I stop dllhost.exe from running? ›

If your computer is running a 32-bit version of the Windows operating system, navigate to C:\Windows\System32\dllhost.exe. If your OS is 64-bit (x64) Windows 10, go to C:\Windows\SysWOW64\dllhost.exe. Select dllhost.exe and add it to the exception list. Click Apply and OK to save the changes.

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