Coresync_x64.dll Delete

[Azucena Mcquay]

Beenhaving an issue where if we run games like GTA or Rocket League on our desktop PC, the ethernet internet to the PC drops to about 8 mbps download and .20 upload. Our speeds are normally 500 down/50 up. If I run a speed test on my laptop connected via WiFi while this is happening I still get 500/50 while the PC stays at 8/.20 until the game is closed. Then the desktop PC internet speeds are nominal. The game itself on the PC seems to operate ok, but nothing else on the PC will work. Sometimes we stream and will have OBS Studio or SLOBS open streaming to Twitch but either of those two games would crash the internet/stream. So we have run speed tests with JUST one of the games open MANY times and it drops to practically nothing.

We were still able to play many other games that did not affect our internet connection during this time. Until Monday night at around 7:20 pm cdt. I was streaming very small games, Marbles on Stream and Horror Tales: The Wine and my stream crashed twice. I ended streaming, did a hard reboot on our router and PC. I opened just Marbles on Stream and ran a speed test and now even that game is dropping internet speeds on our desktop PC only. I tried the same games on my laptop connected via WiFi and they barely affect the speeds there. I tried at least 10 other games that we stream regularly with and have no internet speed problems and they ALL dropped internet speeds to 8/.20.

Sunday night it was fine, I streamed several games including Dead by Daylight and it went smooth. There were no updates that I am aware of but suddenly the problem got worse and now extends to all of our games. I've run several scans on Windows Defender, Malwarebytes, CCleaner and Lenovo Vantage and nothing comes up as an issue but the way this has progressively gotten worse seems like a virus. (I also noticed some key stroke issues shortly before I began streaming Monday night so I had just rebooted everything because of that.)

Let me have you do the following scan for us and we'll check and see what we can find. You can ignore step one as you already provided the logs from the Malwarebytes scan, but do perform steps 2 and 3 as shown, thanks.

Please run the following steps and post back the logs as an attachment when ready.

Temporarily disable your antivirus or other security software first. Make sure to turn it back on once the scans are completed.

Temporarily disable Microsoft SmartScreen to download software below if needed. Make sure to turn it back on once the scans are completed.

If you still have trouble downloading the software please click on Reveal Hidden Contents below for examples of how to allow the download.

STEP 03

Please download the Farbar Recovery Scan Tool and save it to your desktop.

Note: You need to run the version compatible with your system. You can check here if you're not sure if your computer is 32-bit or 64-bit

Please temporarily uninstall the following software while we diagnose your system issues. Windows 10 comes with built-in antivirus that is as good or better than AVG so your system will still be protected without it.

CCleaner and AVG were just downloaded last night when I was trying scans in Lenovo and Windows Defender and not finding anything malicious. I'm not sure how long McAfee WebAdvisor was installed but I believe I was able to completely uninstall all three.

NOTICE: This script was written specifically for this user, for use on this particular machine. Running this on another machine may cause damage to your operating system that cannot be undone.

Run FRST or FRST64 and press the Fix button just once and wait.

If the tool needs a restart please make sure you let the system restart normally and let the tool complete its run after restart.

The tool will make a log on the Desktop (Fixlog.txt) or wherever you ran FRST from. Please attach or post it to your next reply.

NOTE-1: This fix will run a scan to check that all Microsoft operating system files are valid and not corrupt and attempt to correct any invalid files. It will also run a disk check on the restart to ensure disk integrity. Depending on the speed of your computer this fix may take 30 minutes or more.

NOTE-2: As part of this fix all temporary files will be removed. If you have any open web pages that have not been bookmarked please make sure you bookmark them now as all open applications will be automatically closed. Also, make sure you know the passwords for all websites as cookies will also be removed. The use of an external password manager is highly recommended instead of using your browser to store passwords.

NOTE-3: As part of this it will also reset the network to default settings including the firewall. If you have custom firewall rules you need to save please export or save them first before running this fix.

Important: items are permanently deleted. They are not moved to quarantine. If you have any questions or concerns please ask before running this fix.

Ok, I didn't realize the Windows Firewall was disabled. My fiance disabled it and forgot to turn it back on when he ran one of the earlier scans for me while I was at work. I turned it back on but disabled it to run the fix. I disabled Windows Defender and Malwarebytes real-time protection. I hope I didn't miss anything but lemme know if I did. The fix ran pretty smoothly and Windows Defender was all back on after the restart. Malwarebytes I had to manually turn back on.

Unzip the program to its own folder such as: C:\HWiNFO

Go to the new folder and locate the file C:\HWiNFO\HWiNFO64.exe and double-click to run it.

Click the RUN button.

Ignore the update, click close.

Click on Save Report and choose HTML and click Next, then Finish

By default, it will create a new report named COMPUTER.HTM in the same folder as the program. C:\HWiNFO

Please zip that file and attach it to your next reply

Hi, my name is Roger Karlsson. I've been running this website since 2006. I want to let you know about the FreeFixer program. FreeFixer is a freeware tool that analyzes your system and let you manually identify unwanted programs. Once you've identified some malware files, FreeFixer is pretty good at removing them. You can download FreeFixer here. It runs on Windows 2000/XP/2003/2008/2016/2019/Vista/7/8/8.1/10. Supports both 32- and 64-bit Windows.

If you have questions, feedback on FreeFixer or the freefixer.com website, need help analyzing FreeFixer's scan result or just want to say hello, please contact me. You can find my email address at the contact page.

Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.

I am having a problem with the file CoreSync_x64.dll. I have tried to delete it to no avail - "being used by Windows Explorer) I then tried using MSDOS but again it failed to work.

I saw a report on your FreeFixer and downloaded it. As I cannot seem to drag the file to the required area, I typed the full path to the file. Your programme said it would be deleted upon reboot - but it is still there. Any ideas.

@Peter: It sounds like you did everything correct to have the file deleted. If the path you typed in was incorrect, FreeFixer should say something along the lines:

"[path] does not exists. Register it for removal anyway"

During reboot, FreeFixer's reboot deleter will report if it failed or succeeded with removing the file.

What was the problem with CoreSync_x64.dll? Why did you want to delete it?

Downloading coresync_x64.dll file from the internet is not recommended unless you have a specific, legitimate reason to do so. DLL (Dynamic Link Library) files are crucial system files used by various software and the Windows operating system. Downloading coresync_x64.dll file from untrusted sources can be risky and may lead to system instability, security vulnerabilities, or malware infections. Download best PC optimizer to fix PC errors If you encounter a missing or corrupted coresync_x64.dll file on your system, it's generally better to resolve the issue through the following methods:

Stopping a dynamic-link library (DLL) file in a Windows operating system is typically not a recommended or straightforward task because DLL files are essential components of various software applications and the Windows operating system itself. DLL files contain functions and data that programs use to perform various tasks. Disabling or stopping a DLL file could lead to instability or non-functionality of the software or the operating system. If you have a specific reason for wanting to stop a particular DLL file, here are some steps you can follow with caution:

Please exercise extreme caution when terminating processes, as stopping a critical process can cause system instability or application crashes. It's generally not advisable to stop coresync_x64.dll file unless you are certain about what you're doing and have a valid reason.

In order to fix these types of errors, users may need to perform various troubleshooting steps, such as updating their operating system and security software, repairing the Windows registry, or reinstalling the application that is using the CoreSync.

Therefore, it is important to ensure that the coresync_x64.dll file on your computer is legitimate and has not been infected by any malware. Users can verify the legitimacy of the coresync_x64.dll file by checking its digital signature or by scanning their system with reputable anti-virus and anti-malware software.

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