Windows 10: Some important event viewer logs completely cleared. No clue why

Discus and support Some important event viewer logs completely cleared. No clue why in Windows 10 Support to solve the problem; There was either a power loss, or a system restart this morning, around 11:30-ish eastern. (I'm not sure which) When I got to my computer at almost... Discussion in 'Windows 10 Support' started by jasoncollege24, Jun 7, 2021.

  1. Some important event viewer logs completely cleared. No clue why


    There was either a power loss, or a system restart this morning, around 11:30-ish eastern. (I'm not sure which) When I got to my computer at almost 1:30p, it was sitting on the lock screen. I logged in, and my apps started. Out of curiosity, I checked the event viewer, looking for the real reason, and found that two logs were completely cleared Application, and System logs were completely cleared. New log entries begin at the time I logged in. The reason for the restart isn't important. What bothers me is that these logs have been cleared, and I didn't clear them. What I've tried: * chkdsk on drive C (No issues) * sfc /scannow (No issues) * Antivirus scan (Comodo, no issues) * Malware scan (Malwarebytes, no issues) * Checked startup tab in task manager (No new apps) * Checked processes tab in Task manager (No unrecognized apps) * Checked Add/Remove in Control Panel (No unrecognized apps) * Checked update history (No Windows updates installed in the last week) At this point, I'm at a loss of what to check, so any ideas would be really helpful. If you need more info, just ask.

    :)
     
    jasoncollege24, Jun 7, 2021
    #1
  2. JohnBurns Win User

    Clear All Event Logs in Event Viewer in Windows  


    FWIW CCleaner will clear the Event Viewer Logs - just check the box under Windows>Advanced>Windows Events Logs. run CCleaner and it's that simple. Much faster than most ,bat files I've tried. Just a suggestion.
     
    JohnBurns, Jun 7, 2021
    #2
  3. Clearing Administrative Events Log in Windows10

    How To Clear Administrative Events Log

    The Administrative Events log (listed under Custom Views) in the Event Viewer is a Filter that contains all of the event from the System, Security and Application event logs.

    You can either clear these individual logs, or use the instructions below to clear all the event logs.

    To Clear All Event Logs in Event Viewer in Windows

    cmd shell solution:

    PowerShell solution:

    Source How to Clear All Event Logs in Event Viewer in Windows

    To Clear Individual Event Viewer Logs in Event Viewer

    Source How to Clear All Event Logs in Event Viewer in Windows
     
    DavidPostill, Jun 7, 2021
    #3
  4. Cliff S Win User

    Some important event viewer logs completely cleared. No clue why

    Clear All Event Logs in Event Viewer in Windows


    For Windows logs and Application and Services logs, there is also the manual way to clear specific logs(only these 2 sections, custom views can be Deleted and lost, but not Cleared for example:

    Some important event viewer logs completely cleared. No clue why [​IMG]


    Some important event viewer logs completely cleared. No clue why [​IMG]
     
    Cliff S, Jun 7, 2021
    #4
Thema:

Some important event viewer logs completely cleared. No clue why

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