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Julian

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About Julian

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  1. ok thanks for your help, at least you know about the problem so if anyone else experiences it you have a starting point to help them.
  2. yes tried all the usual things I have been using computers for 25 years and other people usually come to me for problems like this. Before running ccleaner everything is fine, it is not a case of a new unsigned driver as in the case you point too but I have tried that solution too though with no success The solution you point too is for only 1 device not working in my case it is all the usb mass storage devices internal and external no matter which usb port is used. It is as if ccleaner alters or deletes an entry which has something to do with mass storage control or activation in my case. I have searched a lot of forums for this problem and apart from some in 2009 from people using windows 7 beta test version (which were solved by the official win 7 release) I have found a few posts since march this year of people getting a similar problem on various model computers and no working solutions. The only thing that seems consistant in all these cases is that the computers all have USB3. Also it is pointing towards ccleaner as being the problem as if I restore the computer to a restore point before running ccleaner everything works fine for as long as I want and the problem does not reoccur until ccleaner is run again.
  3. Windows 7 Home Premium ccleaner build 3.07.1457 but has been happening with all the versions since February when I got the computer, I always use the latest ccleaner, (that is how long it has taken me to pinpoint this to purely a problem with ccleaner, at first I thought it might be a fault in the manufacturers driver software) Yes a normal (no advanced options) registry clean, no issues before doing it, just to try and improve performance of the computer. security software on my computer Norton 360 but problem also occuring on my sisters computer same make and model but she uses microsoft security essentials.
  4. I have a Medion Computer md8351 with usb3 capability, before using ccleaner everything is fine but after I use ccleaner all my usb mass storage devices stop working, Device manager shows error:- (Windows cannot verify the digital signature for the drivers required for this device. A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source. (Code 52) for all mass storage devices these include internal card reader, usb hard drive, memory sticks and usb printer with built in card reader (in otherwords all possible usb mass storage device plugged into any of the usb ports and internally to the computer. Any non mass storage devices continue to work fine. I have used ccleaner for many years on many computers (I maintain computers for all my family) and have never had any problems before. I have system restored computer many times in trying to locate exactly what is causing the problem and it definately only starts to occur once ccleaner has been run. This is not a complaint but a request that maybe you can solve the problem as I find ccleaner a valuable tool in maintaining and fixing other computers and would like to be able to use it on this one in the future.
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