I got a couple of virus infected my PC a week ago (Essential Cleaner & MS Removal Tool). I had to download instructions on how to remove such virus on the internet. I managed to remove the first virus (Essential Cleaner) from my PC and the sytem works well after the removal. 2 days after another virus infected my pc (MS Removal Tool) i also managed to remove the virus (both through the registry edit and some applications from the net) but after the removal, any multimedia devices on my computer just won't work anymore. Including my A4tECH Pk 635k Webcam cannot be installed. There are also yellow markings on the Audio Submenu of the Device Manager. When I opened the DX Diagnostics, it says that it doesn't have a sound card installed on my computer so I bought a USB Sound Card Adapater hoping the problem will be resolved, but it didn't worked either. There's an error message that the hardware isn't installed correctly. I need my webcam to be installed and use in Yahoo Messenger but the webcam has a built in microphone in it that's why, I think, it just can't be installed because of the sound card problem. Anyone please let me know what to do. Thanks.

Thank you sir. I downloaded the LIVE Update for my MSI Neo 468F Motherboard, and I guess it works in some ways after installing.

Yesterday, I tried to enable full control on the "DeviceDesc" files under PCI\ VENs files on the Registry Editor. My webcam is now working but the microphone is not. I succesfully updated the drivers under SOUNDS on the Device Manager (files with yellow markings) but when I restarted the computer the Multimedia Audio Controller again has a yellow mark and I cannot update it again flashing the annoying error message "The file is not valid".

By the way, I downloaded the ksuser.dll file and placed it under C:\Windows\System32 folder, before I succesfully installed the hardwares I mentioned earlier and the webcam starts working.

Now my problem is the Sound. i can't hear anything. I also tried connecting the USB SOUND card adapter i bought yesterday and still not working either. Thank you sir. I downloaded the LIVE Update for my MSI Neo 468F Motherboard, and I guess it works in some ways after installing. Yesterday, I tried to enable full control on the "DeviceDesc" files under PCI\ VENs files on the Registry Editor. My webcam is now working but the microphone is not. I succesfully updated the drivers under SOUNDS on the Device Manager (files with yellow markings) but when I restarted the computer the Multimedia Audio Controller again has a yellow mark and I cannot update it again flashing the annoying error message "The file is not valid". By the way, I downloaded the ksuser.dll file and placed it under C:\Windows\System32 folder, before I succesfully installed the hardwares I mentioned earlier and the webcam starts working. Now my problem is the Sound. i can't hear anything. I also tried connecting the USB SOUND card adapter i bought yesterday and still not working either.

There are different issues possible :
Try to identify your Multi media controller and download the correct driver from the manufacturer's website . Please pay attention to download the full version in compatibility with your OS .
Otherwise , there could be a problem with your XP install disc and some kind of virus is still somewhere around .
Complete your computers cleaning up by downloading free MalwareBytes fromhttp://download.cnet.com/Malwarebytes-An... . Let it scan
your system and destroy any remaining spyware / malware . You will solve your issue soon .
Best regards , fanaudi . There are different issues possible : Try to identify your Multi media controller and download the correct driver from the manufacturer's website . Please pay attention to download the full version in compatibility with your OS . Otherwise , there could be a problem with your XP install disc and some kind of virus is still somewhere around . Complete your computers cleaning up by downloading free MalwareBytes from http://download.cnet.com/Malwarebytes-Anti-Malware/3000-8022_4-10804572.html . Let it scan your system and destroy any remaining spyware / malware . You will solve your issue soon . Best regards , fanaudi .

Oh. I think the OS is good, maybe I should run the MalwareBytes again for the virus. Yeah, the problems am having with my pc has gone far annoying. Am not that knowledgeable with computer systems, just reading forums on the net for possible solutions.

Thanks and God bless. :) Oh. I think the OS is good, maybe I should run the MalwareBytes again for the virus. Yeah, the problems am having with my pc has gone far annoying. Am not that knowledgeable with computer systems, just reading forums on the net for possible solutions. Thanks and God bless. :)

oh, is it possible? you, literally, can take a look on my pc? mail me [email protected]. Thanks sir! God bless. oh, is it possible? you, literally, can take a look on my pc? mail me [email protected]. Thanks sir! God bless.