An Unknown Error Occurred, Error Code 0x80070035 generally occurs during Microsoft Office/ Windows installation, uninstallation, usage or update. We have discussed below the steps on how to fix error.
Note: Please bookmark this page by pressing Ctrl+D in your browser. During the process you might need to restart your system and using bookmark you can access this page easily.
[su_box title=”an unknown error occurred, error code 0x80070035 Error Code Log” box_color=”#e80000″ radius=”5″]
|Log Name:||tmp\an unknown error occurred, error code 0x80070035.log|
|System Event ID:||574|
|Application Task Category:||(897)|
|Keywords:||Office 365 an unknown error occurred, error code 0x80070035,Office 2013 Home an unknown error occurred, error code 0x80070035,Office OneNote an unknown error occurred, error code 0x80070035, Outlook an unknown error occurred, error code 0x80070035, Windows update an unknown error occurred, error code 0x80070035|
Disclaimer: The steps given must be done by an Experienced Computer Technician. We are not responsible if something goes wrong by following the steps given on the site. All steps are indicative and should resolve the issue in most of the computer. If however if the steps did not resolve the issue on your computer, you can contact our 24×7 Chat support on for help by clicking here.
1. Disable Proxy
To check if you are behind proxy open Command Prompt.
Press Win key + R and type CMD
In command prompt type this command: netsh winhttp import proxy source=ie
If you see “Error writing proxy settings. (5) Access is denied.” this message means you should simple try disabling the Proxy setting in Internet Explorer and an unknown error occurred, error code 0x80070035 should be fixed.
Note: If you are unable to understand or do any of the steps you can contact our Online Support technician by clicking here.
2. Register DLL Dependencies
Sometimes during office installation or Windows update some of the DLL (Dynamic Link Library) get missed and are not properly registered in Windows. As a result of which Microsoft Office will be unable to start. Please refer the error log above for detailed explanation:
To register the missing DLL simply Press Win Key + R and Type:
3. Try the installation again.
In most case the error code an unknown error occurred, error code 0x80070035 should be resolved by now. If however the problem still persists you can contact our 24×7 Tech Support for resolving the issue.
an unknown error occurred, error code 0x80070035 Affects following Office Products : PowerPoint, Word, Access, Outlook, OneNote, Excel, Publisher
an unknown error occurred, error code 0x80070035 can occur in following operating systems: Windows Vista, Windows 7, Windows 8, Windows 8.1, Microsoft Surface Education, Windows Update Error
Entry ID: 9207710 – Last Review: 22/07/2014 – Revision: 8.7