Huge ping spikes exactly every 30 seconds

Hi, Warm_Bread

Welcome to Microsoft Community.

We understand that you are experiencing huge ping spikes every 30 seconds and that you have tried many things but the problem persists.  At this time, we recommend that you try the following options first:I.Reset the network1. Search for CMD, open it and find Command Prompt (, run it in administrator) mode.2. In the command box that pops up, enter the following commands in order (after each line has finished running, enter the next one)ipconfig /releaseipconfig /renewipconfig /flushdnsipconfig /registerdnsnetsh int ip resetnetsh winsock resetnetsh winhttp reset proxy3. Restart the computer to see if the problem can be solved.II Reset Network SettingsTap windows+R, type inetcpl.cpl, open Internet Options, click Advanced, and check “Use SSL 3.0”, “Use TLS 1.0”, “Use TLS 1.1”, ‘Use TLS 1.2’, reboot the computer after applying them to see if the problem can be solved.III Reset Proxy Server SettingsClick windows+R, type inetcpl.cpl, open Internet Options, click Connections, click LAN Settings, check whether the Proxy Server column is checked, if so, uncheck it and click OK, restart your computer after applying it to see if it can solve the problem.IV Reset HostsBefore executing this program, we suggest you copy the original hosts file to your desktop for backup, and then you can directly drag the file back to the original path to overwrite it if there is any problem in the future.Once the backup is complete, you can follow the steps in the link below:How to reset the Hosts file back to the default - Microsoft SupportV.Clean Boot1. Tap Windows+R and type msconfig2.Open System Configuration and select General tab - Selective Boot.3. Remove the checkmark of Load startup items.4. Go to the Services tab - click Hide all microsoft services in the lower left corner, and then click Disable all.5. Click OK and restart your computer. (Be sure to select Hide all Microsoft services first and then click Disable all, otherwise it may cause unforeseen problems such as not being able to access the system.)Check if the problem still recurs.*Disclaimer: A “clean boot” starts Windows with a minimal set of drivers and startup programs. It helps to determine whether a background service is interfering with your game or program and to isolate the cause of a problem.**These steps of "clean boot" might look complicated at first glance. However, to avoid any trouble for you, please follow them in order and step-by step so that it will help you get back on track.*If none of the above options solves the problem, we suggest you to repair your system directly through Media Creation Tool, this is not a reinstallation of the system, it will repair your system and will not delete files or applications. However, if you have important data on your computer, we still recommend backing it up in advance.Once you have completed your backup, follow the steps in the guide below:Visit the site above and select Download Tool Now - Run the Media Creation Tool - Select Yes - Select Accept - Select Create Installation Media for Another Computer - Select DVD ISO File - Save As Local File.Since Windows 11 has now been updated with version 24H2, if you want to use 23H2, you can download the 23H2 ISO file by following the method provided by volunteer host Ramesh at the link below.Download iso of windows 11 that is older than the newest update (a - Microsoft CommunityRun the local WINDOWS. iso file - Right-click - Mount - Select Run setup.exe - Select Don't use for now - Select Keep personal files and settings - Select Next - Wait for the WINDOWS Repair installation to complete - Restart your WINDOWS computer.Disclaimer: Let’s try performing an in-place install or in-place upgrade which will refresh your Windows files and operating system without removing files or applications. That being said, we always recommend that if you have important data, you should back it up before making large system changes. If you want to back up your data first, please do so. Once you are done backing up, you can follow the steps in the following guides:How to run In-place upgrade in Windows 11 - Microsoft CommunityIf you have any progress, please feel free to contact us.

Best Regards

Nicholas.Z - MSFT | Microsoft Community Support Specialist