Event Viewer keeps track of activity for better management.

However, if the upper limit of the security log is reached, no more events can be logged.

Event ID 1104: The security log on this system is full.

tick this item

When that happens, only administrators can sign in.

In this guide, we will show you a bunch of solutions on how to address the problem.

Without further ado, lets jump into it right now.

hit Windows Event Log

It will save the memory and prevent it from getting full.

To do so:

Step 1.

Typeevent viewerin the search bar and hitEnter.

hit Uninstall

In the right pane, right-click onPropertiesunderActions.

TickOverwrite events as needed (oldest events first)and hitOKto save the changes.

Right-press thestarticon and selectRunfrom the quick menu.

Windows Update FAQ: How to Check for Updates & Fix Update Issues

Typeservices.mscand hitEnterto open Services.

Scroll down to findWindows Event Logand right-hit it to selectRestart.

Click onApply&OKto save the changes.

run sfc /scannow

Go toUpdate & Security>Windows Update>View update history.

HitUninstall updatesand right-press the recently installed update to chooseUpdate.

Fix 4: Run System File Checker

Step 1.

Windows 10 SFC /Scannow Stuck at 4/5/30/40/73, etc.? Try 7 Ways!

Typecmdin the search bar to locateCommand Promptand right-hit it to chooseRun as administrator.

In the command window, typesfc /scannowand hitEnterto start the scanning.