Five recent Firefox tab crashes, no other observed odd behavior - what's up?

 Microsoft Windows 11 Pro  Version 25H2 (OS Build 26200.8037)
 
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    Started on Thu 03/19/2026 at 10:50:07.95
    
        [SFC /ScanNow]
    
Beginning system scan.  This process will take some time.

Results:
 
Windows Resource Protection did not find any integrity violations.
 
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    Started on Thu 03/19/2026 at 10:54:29.71

        [DISM /online /cleanup-image /ScanHealth]

Deployment Image Servicing and Management tool
Version: 10.0.26100.5074

Image Version: 10.0.26200.8037
 
No component store corruption detected.

The operation completed successfully.
 
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    Started on Thu 03/19/2026 at 10:57:34.54

        [DISM /online /cleanup-image /RestoreHealth]

Deployment Image Servicing and Management tool
Version: 10.0.26100.5074

Image Version: 10.0.26200.8037
 
The restore operation completed successfully.

The operation completed successfully.
 
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The second "SFC /ScanNow" was skipped, as the first output the following:

Windows Resource Protection did not find any integrity violations.
 
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    Started on Thu 03/19/2026 at 10:59:37.81

        [ChkDsk /Scan] 
 
The type of the file system is NTFS.
Volume label is Windows.
 
Stage 1: Examining basic file system structure ...
1491968 file records processed.                                                       
File verification completed.
Phase duration (File record verification): 15.10 seconds.
51545 large file records processed.                                   
Phase duration (Orphan file record recovery): 45.58 milliseconds.
0 bad file records processed.                                     
Phase duration (Bad file record checking): 0.04 milliseconds.
 
Stage 2: Examining file name linkage ...
4482 reparse records processed.                                     
2080590 index entries processed.                                                       
Index verification completed.
Phase duration (Index verification): 36.31 seconds.
0 unindexed files scanned.                                       
Phase duration (Orphan reconnection): 15.88 seconds.
0 unindexed files recovered to lost and found.                   
Phase duration (Orphan recovery to lost and found): 0.09 milliseconds.
4482 reparse records processed.                                     
Phase duration (Reparse point and Object ID verification): 20.56 milliseconds.
 
Stage 3: Examining security descriptors ...
Security descriptor verification completed.
Phase duration (Security descriptor verification): 180.90 milliseconds.
294312 data files processed.                                           
Phase duration (Data attribute verification): 0.09 milliseconds.
CHKDSK is verifying Usn Journal...
40849760 USN bytes processed.                                                           
Usn Journal verification completed.
Phase duration (USN journal verification): 207.08 milliseconds.

Windows has scanned the file system and found no problems.

No further action is required.
 
229699583 KB total disk space.
190898836 KB in 560280 files.
674372 KB in 294313 indexes.
0 KB in bad sectors.
1627335 KB in use by the system.
65536 KB occupied by the log file.
36499040 KB available on disk.
 
4096 bytes in each allocation unit.
57424895 total allocation units on disk.
9124760 allocation units available on disk.
Total duration: 1.12 minutes (67763 ms).
 
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    Started on Thu 03/19/2026 at 11:00:56.70
 
AutoReboot   
 
FALSE       
 
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        [Set AutoReboot = False]
 
Updating property(s) of '\\DAVEG-HP-WIN10\ROOT\CIMV2:Win32_OSRecoveryConfiguration.Name="Microsoft Windows 11 Pro|C:\\WINDOWS|\\Device\\Harddisk0\\Partition3"'
Property(s) update successful.
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AutoReboot   
 
FALSE       
 
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DebugInfoType   
 
7             
 
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        [Set DebugInfoType = 7]

Updating property(s) of '\\DAVEG-HP-WIN10\ROOT\CIMV2:Win32_OSRecoveryConfiguration.Name="Microsoft Windows 11 Pro|C:\\WINDOWS|\\Device\\Harddisk0\\Partition3"'
Property(s) update successful.
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DebugInfoType   
 
7             
 
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        [WMIC PageFile list]

AllocatedBaseSize=4864
CurrentUsage=0
Description=C:\pagefile.sys
InstallDate=20180710215726.697191-240
Name=C:\pagefile.sys
PeakUsage=0
Status=
TempPageFile=FALSE
 
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AutomaticManagedPagefile   
 
TRUE                     
 
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        [Set AutomaticManagedPagefile = True]

Updating property(s) of '\\DAVEG-HP-WIN10\ROOT\CIMV2:Win32_ComputerSystem.Name="DAVEG-HP-WIN10"'
Property(s) update successful.
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AutomaticManagedPagefile   
 
TRUE                     
 
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        [BcdEdit /enum {badmemory}]

RAM Defects
-----------
identifier              {badmemory}
 
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    Finished on Thu 03/19/2026 at 11:00:58.97
    It took 10 minutes and 51 seconds to complete the operations.