Defrag will not run in Windows 7.
Can not defrag. Tried several different programs but none of them work.
Solutions to the Problem Defrag will not run in Windows 7.
Defrag problems are often related to disk corruption.
Inside Windows - Regular or Safe Mode (repeatedly tap F8 as you boot).
Run checkdisk - schedule it to run at next start and then Apply OK your way out then restart.
How to Run Disk Check in Windows 7
Start - type in Search box - COMMAND find at top of list - RIGHT CLICK - RUN AS ADMIN
How to Repair Windows 7 System Files with System File Checker
Then run checkdisk (chkdsk).
How to Run Disk Check in Windows 7
For even better and more efficient checking :
From the Command Prompt of the Recovery Console (if you have one) or from a Windows 7
disk - if you do not have a Windows 7 disk you can borrow a friend's (it needs to be same 32
or 64 bit and they are not copy protected) or make one.
Also your System maker will sell the
physical disks cheap since you already own Windows.
chkdsk /f /r
Space after k and before / and after f and before /
Space after c and before /
How to Boot to the System Recovery Options in Windows 7
What are the system recovery options in Windows 7?
If CheckDisk fails to complete as above : <-- Avanced Methods
If ChkDsk does not run at startup in Windows 7 or Vista
How to Fix Chkdsk will Not Run at Startup in Vista (Windows 7 is the same)
If you do not have a Windows 7 disk you can borrow a friends as they are not copy
Your System maker will also sell the physical DVD cheap since you already
Also you can make a repair disk on another computer.
If you need to make repair disks - these help repair Windows not re-install.
Download Windows 7 System Recovery Discs
How to Create a Windows 7 System Repair Disc
If there still are drive issues : <-- Manufacturer's Diagnostic Utilities
Diagnostic Utilities By Manufacturer - run the one for your hard drive
Corrected list as of 6-09-2010
Fujitsu Hard Drives: Diagnostic Utilities Here
Hitachi Hard Drives: Diagnostic Utilities Here
IBM Hard Drives: Use Hitachi Utilities*
Toshiba Hard Drives: Use Hitachi or Maxtor Utilities
Maxtor Hard Drives: Diagnostic Utilities Here (now SeaGate)
Quantum Hard Drives: Use Maxtor Utilities
Seagate Hard Drives: Diagnostic Utilities Here
Conner Hard Drives: Use Seagate Utilities
Samsung Hard Drives: Diagnostic Utilities Here
Western Digital Hard Drives: Diagnostic Utilities Here
The trial versions of one of these "might" help.
New Command Line Parameters for Defrag.exe in Windows 7
Defrag options in Windows 7
Defrag from the Command-Line for More Complete Control
Here are excellent free 3rd party defraggers which I use.
Auslogics Disk Defrag - FREE - works easily and does a great job
MyDefrag - FREE -very powerful
Defraggler - Free - defrag your entire hard drive, or individual files - unique in the industry.
This compact and portable Windows application supports NTFS and FAT32 file systems.
Also check this and the other "Related Links" here :
How to Use Windows 7 Disk Defragmenter
How to Turn the Windows 7 Disk Defragmenter Schedule On or Off
Hope this helps and Happy Holidays!
Rob Brown -
Microsoft MVP <- profile - Windows Expert - Consumer : Bicycle <- Mark Twain said it right.
Manually editing the Windows registry to fix Error Defrag will not run in Windows 7.
Caution: Unless you an advanced PC user, we DO NOT recommend editing the Windows registry manually. Using Registry Editor incorrectly can cause serious problems that may require you to reinstall Windows. We do not guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.
- Click the Start button.
- Type "command" in the search box... DO NOT hit ENTER yet!
- While holding CTRL-Shift on your keyboard, hit ENTER.
- You will be prompted with a permission dialog box.
- Click Yes.
- A black box will open with a blinking cursor.
- Type "regedit" and hit ENTER.
- In the Registry Editor, select the Error 0x9C-related key (eg. Windows Operating System) you want to back up.
- From the File menu, choose Export.
- In the Save In list, select the folder where you want to save the Windows Operating System backup key.
- In the File Name box, type a name for your backup file, such as "Windows Operating System Backup".
- In the Export Range box, be sure that "Selected branch" is selected.
- Click Save.
- The file is then saved with a .reg file extension.
- You now have a backup of your MACHINE_CHECK_EXCEPTION-related registry entry.
Recommended Method to Repair the Problem: Defrag will not run in Windows 7.:
How to Fix Defrag will not run in Windows 7. with SmartPCFixer?
1. Download Error Fixer . Install it on your system. Click Scan, and it will perform a scan for your computer. The junk files will be shown in the scan result.
2. After the scan is finished, you can see the errors and problems which need to be repaired.
3. The Repair part is done, the speed of your computer will be much higher than before and the errors have been fixed. You can also use other functions in SmartPCFixer. Like dll downloading, junk file cleaning and print spooler error repair.
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