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Greenhorn

PC crash after Adaware 8.2.4 install

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:P Halfway thru the scan, pc crashed and a blue screen appeared stating PFN_LIST_CORRUPT. Advising to uninstall newly installed program, what to do?
As my name suggests, please help should I remove Adaware 8.2.4?

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Not sure if it's the Ad-Aware software, it could be a coincidence and actually be a system problem. I Googled "PFN_LIST_CORRUPT" and found this:

[url="http://www.annoyances.org/exec/forum/winxp/1073940289?s"]http://www.annoyances.org/exec/forum/winxp/1073940289?s[/url]
[quote]PFN_LIST CORRUPT means that the system went to swap memory between the RAM and the VRAM on the hard drive, and couldn't. either: Pagefile.sys is not properly addressed.. did you change it's location in the registry? HDD Corruption -- The bad sector is located inside the pagefile.sys (although usually this would just cause a hang) BAD RAM -- (usually would give you a Page Fault Error instead[/quote]

[url="http://aumha.org/a/stop.php#0x4e"]http://aumha.org/a/stop.php#0x4e[/url]
[quote]This indicates that the memory management Page File Number list is corrupted. Can be caused by corrupt physical RAM, or by drivers passing bad memory descriptor lists.[/quote]

To explain, Windows uses hard drive space when RAM is not enough (a swap file). Data is transferred between hard drive and RAM, and if it fails, you get the PFN_LIST error (page file number).

A few things you can check:

1. Is your hard drive nearly full? Click on "My Computer" to see free space vs. drive size. Windows needs some "breathing room" for things like the swap file.

2. Check the page file size:

Right-click "My Computer" -> Properties -> Advanced tab -> Performance Settings -> Advanced tab -> Virtual Memory Change

You should see the radio button "System managed size" checked, and below that the recommended size. If your hard drive free space is too low compared to the set page file size, it might cause the error.

3. Run Check Disk:

Start -> Run -> type chkdsk and click OK

This will check the hard drive for errors and bad sectors, in case the page file is trying to read/write on a bad sector of the hard drive. Edited by visitor

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[quote name='visitor' post='120090' date='Jun 8 2010, 04:53 PM']Not sure if it's the Ad-Aware software, it could be a coincidence and actually be a system problem. I Googled "PFN_LIST_CORRUPT" and found this:

[url="http://www.annoyances.org/exec/forum/winxp/1073940289?s"]http://www.annoyances.org/exec/forum/winxp/1073940289?s[/url]
[url="http://aumha.org/a/stop.php#0x4e"]http://aumha.org/a/stop.php#0x4e[/url]
To explain, Windows uses hard drive space when RAM is not enough (a swap file). Data is transferred between hard drive and RAM, and if it fails, you get the PFN_LIST error (page file number).

A few things you can check:

1. Is your hard drive nearly full? Click on "My Computer" to see free space vs. drive size. Windows needs some "breathing room" for things like the swap file.

2. Check the page file size:

Right-click "My Computer" -> Properties -> Advanced tab -> Performance Settings -> Advanced tab -> Virtual Memory Change

You should see the radio button "System managed size" checked, and below that the recommended size. If your hard drive free space is too low compared to the set page file size, it might cause the error.

3. Run Check Disk:

Start -> Run -> type chkdsk and click OK

This will check the hard drive for errors and bad sectors, in case the page file is trying to read/write on a bad sector of the hard drive.[/quote]
Hard drive free space is 15.9 GB, set page file set is 2816MB. It must be a system problem indeed. Thank you for replying.

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Free space and page file size look OK, i.e. there's enough free space to accomodate the page file. Did you run chkdsk to look for hard drive errors? Or if the problem is resolved, let me know and I'll close this topic :(

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[quote name='visitor' post='120139' date='Jun 10 2010, 01:28 PM']Free space and page file size look OK, i.e. there's enough free space to accomodate the page file. Did you run chkdsk to look for hard drive errors? Or if the problem is resolved, let me know and I'll close this topic :)[/quote]
I ran chkdsk, PC stalled.
I availed the free registry scan, ;) :blush: more than a thousand error found. I've asked around, mostly the suggestion is to reformat, and being not knowledgeable with fixing PC problem, I would take the easy way out.

Thank you very much for your assistance.

PS

At startup a box keeps on popping stating " csrsc.exe not found" blah,blah,blahblahblah

And oh, I successfully ran adaware 8.2.4, found and remove " installer.exe", what's this? Thanks again.
:) Edited by visitor
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[quote name='Greenhorn' post='120253' date='Jun 12 2010, 11:20 AM']I ran chkdsk, PC stalled.
I availed the free registry scan, ;) :blush: more than a thousand error found. I've asked around, mostly the suggestion is to reformat, and being not knowledgeable with fixing PC problem, I would take the easy way out.

At startup a box keeps on popping stating " csrsc.exe not found" blah,blah,blahblahblah

And oh, I successfully ran adaware 8.2.4, found and remove " installer.exe", what's this?[/quote]
Wow, the mole hill becomes a mountain! Indeed, wiping your hard drive and reinstalling Windows is the easy way out and would wipe out any malware I suspect you have. Googling "csrsc.exe" returns a lot of virus removal results, so probably Ad-Aware removed "installer.exe" and now "csrsc.exe" cannot be found, giving an error. All speculation on my part.

The only bad thing about a reformat is data loss of files, etc. If you save your data like images, music, videos then there's the risk of infecting the clean installation of Windows. If you have some time, follow the instructions in my signature below to post in the HijackThis forum. There the security advisors can help you diagnose/remove any malware instead of having to reformat. You can respost your problems by copy/paste or just link to this thread.

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