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System restore points vanished

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I'm running 64-bit Windows Vista Home. Twice now after booting up my desktop I have found that all my system restore points are gone. I have always had it set to automatically create daily restore points, and I have never disabled system restore. Just yesterday morning, before this started happening, I in fact did a system restore and noted that there were perhaps ten or so restore points available. After the first instance of the restore points vanishing, I manually created a couple of restore points, but after booting the computer this morning they were all gone again. When I go to System Protection, the 'automatically create restore points' box for my hard drive is still checked, but under 'most recent restore point' it says 'none'. I should note also that I restarted the computer several times yesterday and my manually created restore points were still there; it was only after shutting down for the night and booting this morning that they vanished again.

I would be very grateful for any help with this. Thanks!
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Thanks for your reply. Unfortunately, the link you provided doesn't help - I have plenty of free disk space (over 200 GB). I checked the space allotted to system restore with vssadmin and it was set to 10 GB. Just to be safe, I changed it to 20, but I believe restore points in Vista are on the order of 1 GB, so even with 10 GB allotted, it should not have deleted all of them.
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First let's try rebuilding the WMI components:
  • Download wmi.bat (attached as wmi.zip).
  • Unzip.
  • Right click wmi.bat and Run as administrator.
  • A command prompt will open, click Y to continue when prompted.
  • It will take only a second to run, and the command window will close automatically

FYI only, here are the contents of wmi.bat:
@echo on
cd /d c:\temp
if not exist %windir%\system32\wbem goto TryInstall
cd /d %windir%\system32\wbem
net stop winmgmt
winmgmt /kill
if exist Rep_bak rd Rep_bak /s /q
rename Repository Rep_bak
for %%i in (*.dll) do RegSvr32 -s %%i
for %%i in (*.exe) do call :FixSrv %%i
for %%i in (*.mof,*.mfl) do Mofcomp %%i
net start winmgmt
goto End

if /I (%1) == (wbemcntl.exe) goto SkipSrv
if /I (%1) == (wbemtest.exe) goto SkipSrv
if /I (%1) == (mofcomp.exe) goto SkipSrv
%1 /RegServer

goto End

if not exist wmicore.exe goto End
wmicore /s
net start winmgmt

If that doesn't work, try running the system file checker:
  • Click Start, type cmd, right click and run as administrator
  • At the command prompt type SFC /SCANNOW
This will take some time to run. Just follow the prompts.

If that doesn't work, your best option is probably a repair install. Put your Windows Vista CD in the drive, run setup.exe from an adminstrator account. Select the upgrade option.

Attached Files

  • Attached File  WMI.zip   404bytes   91 downloads

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