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| | #1 (permalink) |
| | Memory Problems after running SFC on sp1 NOTE: The version I'm currently having problems with is Vista Home Premium SP1 After updating to sp1, I did notice some improvement in the memory usage of vista, with my 1G of memory, it normally ate up 60-66%. After installing sp1, it slimmed down to 51-59%. These values are of course without any frontground programs running. But after a while a notice suddenly popped up from my firewall (I'm using Comodo Firewall Pro) saying that svchost.exe is asking permission to edit the registry, and part of the values it was modifying said Firewall.Override, another one said AntiSpyware.Override, and another said AntiVirus.Override. The attempts seem dubious so I had them all blocked, and spent the whole day scanning the computer with all I have, even going so far as boot-time scans and bootable antivirus CDs. They all turned up negative, so as a final measure I ran the security file checker from the command prompt using sfc/scannow. After scanning it said it found problems but was not able to fix everything, and I rebooted to Normal Mode to check out any problems. Then my firewall suddenly alerted me that it was "learning", svchost.exe was now proceeding with changing the values I mentioned before. I've had a bad experience with malware disguising itself as svchost.exe before so I checked out the svchost.exe in question. It seemed legitimate to me. proper version, proper location, and proper signatures. After that little incident everything is normal except that now my computer uses up at least 73% of RAM without any programs running. I haven't installed anything since updating to sp1 so I've ruled out background programs as the cause. Also I checked task manager and I didn't see any new processes running, except that now I'm seeing a svchost.exe that's using up 40+MB of RAM. I've determined that it's the one managing the settings for the Aero Visual Scheme because everytime I terminate the process my scheme reverts to the Vista Basic Scheme. But what's intriguing is that before the incident I've never seen a svchost.exe like this one, and rather it's dwm.exe that's managing my visual settings. What's odd now is that even with the svchost.exe seemingly managing my visual settings, there's still the process dwm.exe gobbling up 30+MB of ram. The two processes(dwm.exe and svchost.exe) are the top two RAM gobblers according to task manager. Is there an existing fix for this problem out there? I'd hate to do a fresh reinstall of my system again, I no longer have the time to do so. |
My System Specs![]() |
| | #2 (permalink) |
| | Re: Memory Problems after running SFC on sp1 Do you actually use your computer for work or just fiddle with the OS? You should find out if you actually need a software firewall like Commodo. Not to rattle anyone's chain but most users do not need a software firewall beyond what is already in Vista or XP, particularly if they are behind a router firewall, unless they can specifically identify why exactly they need the software firewall for what specific purpose. Short of that software firewalls cause more problems than they are worth with networking, false positive identification of malware and general system slowdown, in part due to Vista UAC type behavior of constantly asking if you want to do something without identifying if there really is a threat doing so. As you have noticed, Vista is a resource hog. So what? Unless you are working on massive files in Photoshop, massive video edits or demanding 3-d games very few applications that most people use would stretch the resources of a 486 CPU. The biggest delay most people experience in computer performance is related to getting data on and off the hard drive and not the CPU or memory. |
My System Specs![]() |
| | #3 (permalink) |
| | RE: Memory Problems after running SFC on sp1 You do not not give any details of your system, more info would help to give a better answer. 1. RAM is supposed to be used - unused RAM is wasted RAM - RAM memory is used by your computer to pre-store/ pre-empt relevant application data according to the needs/uses of the computer and user, because it is faster to read data from RAM than your hard disk - if you load an application, then the processor discards unnecessary data from RAM and replaces it with the data you require. The reason why you revert back to Vista Basic sometimes is basically you do not have enough RAM - Vista any version operates far better on at least 2gb RAM - if you are not in a position to increase RAM consider a flash drive which is READYBOOST capable - but honestly increasing RAM would be your best option - RAM is relatively quiet cheap now in comparison. More info on RAM memory usage can be obtained by doing a search of the MS sight or the internet. -- Regards Bob J If advise given from anyone, solves problem or not, or if solved from another source,post back & let us know. Then we all benefit. "kuwestiyonmark" wrote: Quote: > NOTE: The version I'm currently having problems with is Vista Home Premium SP1 > > After updating to sp1, I did notice some improvement in the memory usage of > vista, with my 1G of memory, it normally ate up 60-66%. After installing sp1, > it slimmed down to 51-59%. These values are of course without any frontground > programs running. > > But after a while a notice suddenly popped up from my firewall (I'm using > Comodo Firewall Pro) saying that svchost.exe is asking permission to edit the > registry, and part of the values it was modifying said Firewall.Override, > another one said AntiSpyware.Override, and another said AntiVirus.Override. > The attempts seem dubious so I had them all blocked, and spent the whole day > scanning the computer with all I have, even going so far as boot-time scans > and bootable antivirus CDs. > > They all turned up negative, so as a final measure I ran the security file > checker from the command prompt using sfc/scannow. After scanning it said it > found problems but was not able to fix everything, and I rebooted to Normal > Mode to check out any problems. Then my firewall suddenly alerted me that it > was "learning", svchost.exe was now proceeding with changing the values I > mentioned before. I've had a bad experience with malware disguising itself as > svchost.exe before so I checked out the svchost.exe in question. It seemed > legitimate to me. proper version, proper location, and proper signatures. > > After that little incident everything is normal except that now my computer > uses up at least 73% of RAM without any programs running. I haven't installed > anything since updating to sp1 so I've ruled out background programs as the > cause. Also I checked task manager and I didn't see any new processes > running, except that now I'm seeing a svchost.exe that's using up 40+MB of > RAM. I've determined that it's the one managing the settings for the Aero > Visual Scheme because everytime I terminate the process my scheme reverts to > the Vista Basic Scheme. But what's intriguing is that before the incident > I've never seen a svchost.exe like this one, and rather it's dwm.exe that's > managing my visual settings. What's odd now is that even with the svchost.exe > seemingly managing my visual settings, there's still the process dwm.exe > gobbling up 30+MB of ram. The two processes(dwm.exe and svchost.exe) are the > top two RAM gobblers according to task manager. > > Is there an existing fix for this problem out there? I'd hate to do a fresh > reinstall of my system again, I no longer have the time to do so. |
My System Specs![]() |
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