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What does the PDSched.exe file do?

The PDSched.exe process is also known as PDSched Module and is a part of PDScheduler or, as the case may be, PerfectDisk. This software is produced by Raxco Software (www.raxco.com). An obsolete or defective version of PDSched.exe can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about PDSched.exe PDSched Module

PDSched.exe is not part of Windows, but it is important nonetheless. The file PDSched.exe is found in a subdirectory of "C:\Program Files" (normally C:\Program Files\Raxco\PerfectDisk\). Frequently occurring are file sizes such as 241,731 bytes (75% of all these files) or, as the case may be, 237,635 bytes.
The program executes in the background, and can only be terminated using Windows Task Manager. It does not come from Microsoft and is not part of the operating system. For this reason, 33% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves PDSched.exe. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.

What do other computer users say about PDSched?

Perfect Disk Scheduler (Defragmentation Software by Raxco)
Roxio Perfect Disk Scheduler (Disk Defrag Program)
Virus!!! Upon execution, this memory-resident worm drops a copy of itself as PDSCHED.EXE in the Windows system folder. (further information...)
Perfect Disk
Raxco Perfect Disk schedular agent, safe if in raxco program folder. NOT SAFE if in windows folder, this is a virus.
PC Addict

Summary: 14 users judge PDSched.exe to be an essential file that should not be touched. One user considers it harmless. For this reason, 3 users have already deleted PDSched.exe. source: file.net

How to uninstall PDScheduler or PerfectDisk

PDSched.exe PDSched Module fix

To remove PDSched Module from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. In Windows 8, look for Control Panel.
  2. Click Control Panel.
  3. Click Uninstall a program.
  4. Look for PDScheduler or PerfectDisk in the list of available programs.
  5. Click Uninstall.

How to tell if PDSched.exe (PDSched Module) was uninstalled cleanly

After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of PDSched Module. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for PDSched Module or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.

What to do if a program does not uninstall

The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.

Last but not least

If Windows not working quite right for you, or if startup is taking a long time, or PDSched.exe is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.

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