Scanreg.

When I restart my PC in MS-DOS mode and run SCANREG/FIX, what spesifically is fixed? And how? Would appreciate a answer with as much details as possible.
grykrisAsked:
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dew_associatesCommented:
When you install Windows 98, it builds both a system.dat as well as a user.dat which forms the entire registry. This registry relies on many of the files installed by Windows, including those that it builds during the installation. In addition, the install also creates lists of devices, software installed, drivers and virtually everything else needed to run the OS and where it is located. Initially three files are saved, system.1st, system.dat and user.dat. Obviously this is a very much shortened version, so please allow for omissions.

In addition to the registry, windows also builds an initial data log of the files installed including their version numbers and dates. This is what you see when you run SFC, the system file checker.

When you run scanreg/fix, this causes windows to begin a verification of the registry, first against knowns, such as system.1st and then it attempts to verify all of the changes since that that first install by check such things as the accuracy of binary and Dword values as well as the whereabouts of critical files. The final phase is a check of these critical files against the data from the initial SFC.

Need more?

Dennis
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grykrisAuthor Commented:
Fine so far, but are there any drawbacks attached to using it? When should I/ Should I not use it? I've  installed quite a lot of new software and updates since I bought the PC, how does this add up?
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grykrisAuthor Commented:
One more thing: If I defragment my harddisc, is it a wise thing to run SCANREG/FIX afterwards?
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dew_associatesCommented:
There are no drawbacks. As a matter of fact, if you visit this URL, you will see my tips on expanding the use of scanreg to backup additional files beyond just the registry, win.ini and system.ini.

http://www.geocities.com/~budallen/

You may also want to obtain a copy of the Windows 98 Resource Kit as it has a whole raft of tools to work with as well as a ton of info to make your system better.

There's four main things you can do you keep your system straight.

Use the System File Checker SFC

Understand all that scanreg can do for you.

Defrag regularly

Rin scandisk monthly

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grykrisAuthor Commented:
Thank you for an understandable and yet detailed answer!
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dew_associatesCommented:
You're quite welcome as always!
Dennis
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