explorer.exe error ( c:\windows\system32\PROPSYS.dll ) on startup

wazdown

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Hello, I recently started having trouble with windows 7. I tried to install new ram cards but they did not work so i put the old ones back in and once i turned the computer in the error c:\windows\system32\PROPSYS.dll appeared. I have tried to tun it in safe mode and nothing worked, i tried disabling the start ups services and still nothing. It lets me log into my user account bu the screen is completely black. Someone please help
 

My Computer My Computer

OS
Windows 7 Ultimate x32

My Computer My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
HP pavilion DV6
OS
win7 home premium-64bit-SP1-IE10
CPU
T6600 2.2Ghz
Motherboard
HP Model 3628
Memory
4 Gb
Graphics Card(s)
ATI Mobility Radeon HD 4530
Sound Card
IDT High Definition
Screen Resolution
1366x768 @ 60Hz
Hard Drives
500Gb Western Digital
Antivirus
MSE
Other Info
Malwarebytes Antimalware + Spybot-Search&Destroy
Hello, I recently started having trouble with windows 7. I tried to install new ram cards but they did not work so i put the old ones back in and once i turned the computer in the error c:\windows\system32\PROPSYS.dll appeared. I have tried to tun it in safe mode and nothing worked, i tried disabling the start ups services and still nothing. It lets me log into my user account bu the screen is completely black. Someone please help

Why were you replacing the ram? Were you having some problems with the system or was it an attempt to upgrade ram capacity? Was the system stable prior to attempting the ram replacement?
 
Last edited:

My Computer My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom Built
OS
Windows 7 Professional x64
CPU
Intel i5 quad processor
Motherboard
DP67BG
Memory
16 GB
Graphics Card(s)
Radeon HD 5770
Sound Card
Realtek High Definition Audio
Monitor(s) Displays
Samsung SyncMaster
Screen Resolution
1920X1080
Hard Drives
WD 2TB (SATA Internal)
WD 1TB (USB External)
PSU
Corsair GS800
Case
Tower (Generic)
Cooling
3 Internal Fans
Keyboard
MS Wireless
Mouse
MS Optical Wired
Internet Speed
54 mbps
Antivirus
Emsisoft
Browser
IE-Version 9, Palemoon-Version 24.2.0
I was having the Black Screen of Death with mouser pointer and realised through Event Viwer (eventvwr.msc) that the explorer.exe crash was associated to the propsys.dll located in windows\system32 folder.

So, I managed to emulate a mini WinXP via Hiren's Boot, loaded a "health" propsys.dll from my other Windows 7 system and overwrote the corrupted one. Problem solved to me!
 

My Computer My Computer

OS
Windows U7 Ultimate x64
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