Tiplet expert tips & tech support

April 4, 2009

Dealing with the Error: rundll32.exe is not a valid win32 application

by David Hakala

Q: How do I fix the error: rundll32.exe is not a valid win32 application? — Ashok

This error message is a sure sign that your computer is infected with malware of some kind. Something has replaced the valid rundll32.exe file with an identically named file that does who knows what. Whatever did it is probably hiding somewhere else on your machine, waiting to do it again if you simply replace rundll32.exe with a clean copy from your Windows installation CD.
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March 17, 2009

“Cannot Restore” Errors When Trying to Use System Restore

by Tina Gasperson

Q: I’ve been having trouble trying to restore my system to an earlier date. The restore program goes to the point where it says pick a date to restore to. There will be several dates highlighted to pick from, and when I pick one the program goes through its paces and then gives the message that it cannot restore to that date. No matter what date I pick it does the same thing. Is there a way to correct this? — Thomas

Unfortunately, the odds are you will likely not be able to correct this error, since Windows has probably deleted the files. One of the ways this can happen is if you have upgraded your Windows to a newer version. When the files are updated, Windows doesn’t keep old system restore checkpoints since they would not be compatible with a newer version of Windows. Neither can you “degrade” to an older version of Windows with system restore.
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February 23, 2009

How to Restore Your Computer to an Earlier Configuration Using System Restore

by Tina Gasperson

If you get into trouble with some spyware, or you install a program or a piece of hardware that just doesn’t play nice with your computer, what can you do? You may have heard that using System Restore is a good way to “reset” your PC back to an earlier time, before the problems started happening. But what is System Restore, and how do you use it?
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January 28, 2009

How To Use The System Restore Feature

Filed under: data storage and recovery,Windows — Tags: , — admin @ 9:00 am

by David Hakala

Sometimes your computer begins to act strangely after you install new software or hardware. If you cannot figure out why and correct the problem, you can return the system to its pre-installation state using the System Restore utility.

System Restore periodically saves snapshots of critical system files and some applications. You can then restore the system to one of these previous configurations when it was working properly. You can also take your own snapshot right before making major changes like adding an office suite or a new scanner.
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