Why did I get error 0x80040E78?
Windows Update continous fails to search for Updates or cannot install them. The source of this problem could be various things as
> Windows Registry
> Windows Filesystem
> Internet access
> Windows Update service
> File corruption
> Misconfiguration
> Adware
> Virus and Malware
> Windows Filesystem
> Internet access
> Windows Update service
> File corruption
> Misconfiguration
> Adware
> Virus and Malware
How to fix Windows Update error 0x80040E78?
1. Click Start and start typing on your keyboard for "services.msc"
2. In your search results "services.msc" should show up. Open it with a click.
3. A new windows will open containing all Windows services on your system.
4. Search for "Windows Update"
5. Right-click the "Windows Update" and then click Stop.
We will now clean the Windows Update temporary cache folder:
1. Hold your windows-key pressed and hit "R" key simultanous.
2. A small new windows will appear.
3. Type %windir%\SoftwareDistribution\DataStore in this new window and click OK.
4. This will open Windows Explorer on the correct location.
5. Delete all contents of this folder. (Hint: Use Ctrl + A to select all files and folders)
2. A small new windows will appear.
3. Type %windir%\SoftwareDistribution\DataStore in this new window and click OK.
4. This will open Windows Explorer on the correct location.
5. Delete all contents of this folder. (Hint: Use Ctrl + A to select all files and folders)
Now we will start the Windows Update Service again:
1. Switch back to the windows Services.
2. Locate Windows Update.
3. Right-click on it and choose Start.
2. Locate Windows Update.
3. Right-click on it and choose Start.
If the problem still persists, you can run the System File Checker (SFC) utility. This handy in-built tool will check your filesystem.
1. Click Start and start typing on your keyboard for "cmd".
2. In your search results cmd should show up with an black icon.
3. Right-click it and select Run as administrator.
4. If you are prompted for the admin password, enter the password and click OK.
5. A new completely black windwos will open. You can type commands directly into this window.
6. Type sfc/scannow and press Enter.
7. This process will take a long time. You can minimize this black windows and work on.
2. In your search results cmd should show up with an black icon.
3. Right-click it and select Run as administrator.
4. If you are prompted for the admin password, enter the password and click OK.
5. A new completely black windwos will open. You can type commands directly into this window.
6. Type sfc/scannow and press Enter.
7. This process will take a long time. You can minimize this black windows and work on.
As soon as the SFC process finished, restart your computer. After the restart you search for Updates again.
You are still facing the same issue?
1. Restart your computer.
Next thing is to clean Windows Update download path. These steps are only for expirienced user! If you mess up your computer with Regedit, you could loose your files! Take care or use a professional tool to investiagte your computer.
1. Hold your windows-key pressed and hit "R" key simultanous.
2. A small new windows will appear.
3. Type regedit in this new windows and hit Enter.
4. In the new windows you have a navigation on the left side. Use it to navigate to
6. If they are not listet we cannot clean the download path. Othwerwise delete both.
7. Restart your computer.
2. A small new windows will appear.
3. Type regedit in this new windows and hit Enter.
4. In the new windows you have a navigation on the left side. Use it to navigate to
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate
5. Once you found it, search for WUServer and WIStatusServer in the right hand pane.6. If they are not listet we cannot clean the download path. Othwerwise delete both.
7. Restart your computer.
Try to search for new Updates again.
You are still facing this issue? I think this is not an usual problem and your computer should be checked by professional.
Try to look for a solution here or search further in the search box below.
Advanced information
The following Windows verisons are affected by this error:
> Windows Vista
> Windows 7
> Windows 8
> Windows 8.1
> Windows 10
> Windows 10 Redstone 2
> Windows 10 Creators Update
> Windows Server 2008 R2
> Windows Server 2012
> Windows Server 2016
> Windows 7
> Windows 8
> Windows 8.1
> Windows 10
> Windows 10 Redstone 2
> Windows 10 Creators Update
> Windows Server 2008 R2
> Windows Server 2012
> Windows Server 2016
invalid define DBEBADCONSTRAINTFORM DBEBADDEFERRABILITY nicht cForeignKeyColumns ConstraintType 0x80040E79 supported 0x80040E80 DBEBADMATCHTYPE zero provider Beckhoff ungltig OleDB Anbieter wurde list CONSTRAINTTYPEFOREIGNKEY 0x80040E77 System Information value Wert oder 0x80040E88dword0x60000000 0x80040E84dword0x60000000 0x80040E90dword0x60000000 0x80040E8Cdword0x60000000 0x80040E78dword0x60000000 DBCONSTRAINTTYPEFOREIGNKEY 0x80040E80dword0x60000000 0x80040E7Cdword0x60000000 MessageId MessageText DBEBADCONSTRAINTTYPE DBEBADUPDATEDELETERULE Null 0x800423F1 SYNCEITEMHASCHANGEUNITS 0x8004100E MatchTypeWert untersttzt ConstraintTypeWert German DeferrabilityWert VSSEWRITERERROROUTOFRESOURCES Fehlercodes Switch DBEBADCONSTRAINTID 0x80040E8B 0x80040E76 0x80040E8A amingww64headersincludeoledberrh HRESULT0x80040E78 HRESULT0x80040E79 bmingww64headers HRESULT0x80040E77 DBoledbjvsinc 60267b61 Commits RZDE01r2ini RZDE01r0ini Matt x86Common FilesSystemOle 14032015 0x80040EACdword DBERESOURCEOUTOFSCOPE uncheckedint0x80040E79 Errorcodes flag Specified deferrability supplied access permission English 0x80040E71 master dolphinemudolphin dolphinRZDE01r2ini oledberrh ErrorCode DBENOLOCALE uncheckedint0x80040E78 0x80040EC4dword0x60000000 GitHub 0x80040EACdword0x60000000 SPERRINVALIDREGISTRYKEY HRESULTinfo 0x80045040 MatchType Error QPARSEEINVALIDSORTORDER 0x80040E8E 0x80041675 0x80040E08 DBEBADBINDINFO HRESULTS from Encountered entry Frequently 2147217799 2147217792 2147217800 This compiled