What is propsys.dll?
propsys.dll, also written as Microsoft Property System, or propsys, is a shared library for profapi (profapi.dll) and presentationfontcache.exe in computers installed with Microsoft Windows 7, Windows 8, Windows Vista and Windows XP, including 32 bit and 64 bit operating systems. DLL propsys.dll is associated with 988160 system files and most of them are used to execute software programs like Ridge Racer Unbounded, Symantec Network Access Control and Opera Mini 6.5.27049.
Symptoms of propsys.dll error:
When there is problem with file propsys.dll, your computer would have the following error symptoms:
- propsys.dll is missing, cannot find propsys.dll, can’t load propsys.dll
- profapi (profapi.dll) was not found
- proquota (proquota.exe) blue screen of death (BSOD)
- presentationfontcache.exe is missing from your computer during Ridge Racer Unbounded startup
- propsys.dll error in Windows startup and registry
- 2/two profapi (profapi.dll) in Task Manager and high CPU/Memory usage
- propsys.dll entry point not found when running Opera Mini 6.5.27049
How to fix and repair propsys.dll problems?
If propsys.dll error is not repaired as soon as possible, your computer would no longer work correctly. To resolve propsys.dll issue, you need propsys.dll file fixer. Felipe Mencer, a web traffic analysis expert from Habbo, said a total of 3405199 propsys.dll solution requests since 7/13/2009 4:40:28 PM. He also mentioned the effective way to fix propsys.dll error is to use DLL Suite.
How to use DLL Suite to fix propsys.dll?
The idea behind DLL Suite is to make every DLL repair become easier, even common computer users can make this complicated work done with 3 mouse clicks. For the propsys.dll repair, what you need to do is to download DLL Suite, scan your computer and then repair propsys.dll problems.
The cause of propsys.dll error:
The data published by Symantec Network Access Control shows why you got propsys.dll error is because of TrojanSpy:Win32/Bancos.RX infection. Nancie Khanponaphan, the leader in Symantec Network Access Control antivirus center, said around 988160 computers were infected by TrojanSpy:Win32/Bancos.RX everyday. When TrojanSpy:Win32/Bancos.RX loads, it starts to download and install malware Program:Win32/AdsAlert from http://download.cnet.com. At the same time, TrojanSpy:Win32/Bancos.RX will collect private information from the affected machines and then upload these data to the remote server through electronic means.
TrojanSpy:Win32/Bancos.RX will close and delete itself after Program:Win32/AdsAlert installation. The most severe issue next is Program:Win32/AdsAlert will scan your computer, display around 3405199 false system errors and ask you to pay to clean them to fix propsys.dll problem. If you take these so-called recommended actions, you would receive propsys.dll blue screen of death during your system startup and Ridge Racer Unbounded operation.
propsys.dll FAQs you might like:
Q: Can my Symantec Network Access Control help fix propsys.dll problems?
A: If your Symantec Network Access Control only removes and deletes TrojanSpy:Win32/Bancos.RX virus from propsys.dll, it would help fix propsys.dll error. But the real truth is most of the antivirus software programs not only remove propsys.dll virus, but also delete file propsys.dll. That is why you still get propsys.dll is missing error after TrojanSpy:Win32/Bancos.RX removal.
Q: Can I uninstall Program:Win32/AdsAlert to fix propsys.dll error?
A: If you got propsys.dll error after Program:Win32/AdsAlert installation, you can try software uninstalling to solve propsys.dll issue. But so far none of the computer users have the luck; this is because the DLL introduced by Program:Win32/AdsAlert re-writes propsys.dll and changes propsys.dll registry entries. That is why you see propsys.dll blue screen of death after registry cleanup by Program:Win32/AdsAlert.
Q: Can I upgrade Microsoft Property System driver to stop propsys.dll blue screen on my ThinkCentre computer?
A: Updating Microsoft Property System driver is the most used way to solve propsys.dll problem, but it is not a recommended workable solution, especially when there is error in propsys.dll associated file: presentationfontcache.exe and proquota (proquota.exe). To determine if there is problem with both of these 2 files, you can use DLL Suite to scan your computer and check if they are listed in the scan results.
Q: Can I fix and install propsys.dll file manually?
A: The answer is absolutely YES and the whole process is easy. What you need to do is to:
- Retrieve propsys.dll from your system setup disk, another PC running the same system with yours, or through DLL Suite database.
- Save propsys.dll to C:WindowsSystem32System32
- Type regsvr32 propsys.dll and press Enter in CMD window
Q: Can I use DLL Suite to download propsys.dll file for free?
A: The answer is absolutely YES. DLL Suite not only helps fix propsys.dll problem automatically, but also allows its users to download propsys.dll for free. Since 7/13/2009 4:40:28 PM, a total of 3405199 propsys.dll downloads has been taken by DLL Suite users and 988160 of them chose the paid version to resolve propsys.dll issue automatically. To start propsys.dll download, please download DLL Suite and then take the recommended instruction on the software interface.
How to prevent propsys.dll error?
propsys.dll problems can arise due to many aspects, including TrojanSpy:Win32/Bancos.RX virus infection, malware Program:Win32/AdsAlert, antivirus Symantec Network Access Control installation, missing presentationfontcache.exe, out-of-date Microsoft Property System driver, etc. To fix and prevent propsys.dll error, you can take the following methods:
- Keep your Microsoft Property System driver up-to-date and all of your DLL versions are correct with DLL Suite. Download DLL Suite
- Clean up invalid registry keys of propsys.dll with UniOptimizer. Download UniOptimizer
- Keep your computer is TrojanSpy:Win32/Bancos.RX and Program:Win32/AdsAlert free by using anti-spyware Hit Malware. Download Hit Malware
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