Solved Two new empty folders installed in Windows\Temp when I booted today.


Wisewiz

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"C:\Windows\Temp\MPENG_704C6190-1220-4642-85E3-F9930841EB9B"
"C:\Windows\Temp\421BB8B3-4E03-486D-8985-0531C5F28142-Sigs"

appeared at the time of my first boot this morning. Any clues as to what they are?
 
Windows Build/Version
11 Pro 348

My Computers

System One System Two

  • OS
    11 Pro 21H2 (22000.832)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M920S SFF
    CPU
    i5-8400 @ 2.80MHz
    Motherboard
    Lenovo
    Memory
    16GB DDR4 @ 2666MHz
    Graphics Card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek HD Audio
    Monitor(s) Displays
    LG E2442
    Screen Resolution
    1920x1080
    Hard Drives
    2 x Samsung 870 EVO SSD
    Case
    Lenovo SFF
    Keyboard
    Microsoft Wired 600
    Mouse
    LogiTech M510 wireless
    Internet Speed
    Fast (for satellite!)
    Browser
    Chrome
    Antivirus
    Malwarebytes Premium & Defender (working together beautifully!)
  • Operating System
    11 Pro 21H2 (22000.318)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M910S SFF
    CPU
    i7-7700 @ 3.60MHz
    Motherboard
    Lenovo
    Memory
    16GB DDR4 @ 2400MHz
    Graphics card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek High Definition Audio onboard
    Monitor(s) Displays
    LG FULL HD (1920x1080@59Hz)
    Screen Resolution
    1920 x 1080
    Hard Drives
    2 x Samsung 870 EVO SSD
    Mouse
    LogiTech M510 wireless
    Keyboard
    Microsoft 600 wired
    Internet Speed
    Fast (for satellite!)
    Browser
    Chrome
    Antivirus
    Malwarebytes Premium and MS Defender

clam1952

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MPENG is Windows Defender, mine are empty. Taking a wild guess but presumably it relates to scans or definition updates, sigs could be virus signatures?
 

My Computers

System One System Two

  • OS
    Windows 11 22H2 OS Build 22622.575
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self Build
    CPU
    AMD Ryzen 7 3800X
    Motherboard
    Asus PRIME B350-PLUS
    Memory
    16GB Corsair Vengeance LPX DDR4 @3000Mhz
    Graphics Card(s)
    ASUS - GeForce RTX 3070 Ti 8 GB TUF GAMING OC
    Sound Card
    On Board Realtec
    Monitor(s) Displays
    Acer KA241
    Screen Resolution
    1920 x 1080 @60Hz
    Hard Drives
    240GB PNY CS900 SSD - OS
    2 x 1TB Crucial MX500 SSD
    1 x 500GB Crucial MX300 SSD
    2TB Seagate ST2000DM001-1ER164
    2TB Seagate ST2000DM008-2FR102
    PSU
    750 Watt Corsair TX750 Plus
    Case
    Cooler Master 690 III
    Cooling
    Akasa AK98 5 Case Fans
    Keyboard
    Logitech K270 - wireless
    Mouse
    Logitech - M185 wireless
    Internet Speed
    BT Fibre 75 Mbps
    Browser
    Firefox
    Antivirus
    Windows Defender
    Other Info
    Use hardware KVM to switch monitors on three PCs and software (input director) to use mouse and keyboard on all 4 PCs.
  • Operating System
    Windows 11 Pro 22H2 build 22621.382
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Inspiron 3881 - modified with SFX PSU fitted internally
    CPU
    Intel i5 - 10400
    Motherboard
    Dell 032w55 version A00
    Memory
    16GB of HyperX Fury @ 2133 Mhz
    Graphics card(s)
    EVGA 6GB GTX 1060.
    Sound Card
    Builtin
    Monitor(s) Displays
    ACER KA241
    Screen Resolution
    1920x 1080 @60Hz
    Hard Drives
    256GB SK hynix NVMe
    1TB Western Digital WD10EZEX-75WN4A1
    PSU
    Modular 450 Watt Corsair SF450 Platinum ( Mod to replace the Dell 265 Watt PSU)
    Case
    Inspiron Small Desktop
    Cooling
    Dell stock cooler
    Mouse
    Dell
    Keyboard
    Dell
    Internet Speed
    BT Fibre 75 Mbps
    Browser
    Firefox
    Antivirus
    Windows Defender
    Other Info
    Use hardware KVM to switch monitors on three PCs and software (input director) to use mouse and keyboard on all 4 PCs.

Wisewiz

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I think those are very good guesses. I'll take 'em. Thanks.

Dan
 

My Computers

System One System Two

  • OS
    11 Pro 21H2 (22000.832)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M920S SFF
    CPU
    i5-8400 @ 2.80MHz
    Motherboard
    Lenovo
    Memory
    16GB DDR4 @ 2666MHz
    Graphics Card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek HD Audio
    Monitor(s) Displays
    LG E2442
    Screen Resolution
    1920x1080
    Hard Drives
    2 x Samsung 870 EVO SSD
    Case
    Lenovo SFF
    Keyboard
    Microsoft Wired 600
    Mouse
    LogiTech M510 wireless
    Internet Speed
    Fast (for satellite!)
    Browser
    Chrome
    Antivirus
    Malwarebytes Premium & Defender (working together beautifully!)
  • Operating System
    11 Pro 21H2 (22000.318)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M910S SFF
    CPU
    i7-7700 @ 3.60MHz
    Motherboard
    Lenovo
    Memory
    16GB DDR4 @ 2400MHz
    Graphics card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek High Definition Audio onboard
    Monitor(s) Displays
    LG FULL HD (1920x1080@59Hz)
    Screen Resolution
    1920 x 1080
    Hard Drives
    2 x Samsung 870 EVO SSD
    Mouse
    LogiTech M510 wireless
    Keyboard
    Microsoft 600 wired
    Internet Speed
    Fast (for satellite!)
    Browser
    Chrome
    Antivirus
    Malwarebytes Premium and MS Defender
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