Some users of Outlook 2010 complain about a very annoying error that occurs to them every time they open a message, reply to it or just read it and then close. Their Outlook immediately crashes and closes. Have you ever experienced something similar? Good news – the solution is more trivial than you think.
Q: How can I fix an annoying problem of Outlook 2010 crashing every time I open and close one message?
A: Disable PDF Professional 6 addin and restart your Outlook.
The search functionality in Outlook 2007 / 2010 sometimes does not work properly. Usually all you need to do to fix the problem is to rebuild the search index.
Q: How to rebuild the search indexes?
A: You have to access the Indexing Options screen.
Instructions for users of Windows Vista / Windows Seven:
1. Click the Windows Start button and type “index” in the Search field.
2. Click Indexing Options that appear under programs.
3. Click the Advanced button on the Indexing Options screen.
4. Click the Rebuild button.
This process ensures that your current Search Index is deleted and rebuilt. It takes a long time, so you can activate it when going somewhere out or to sleep. ;)
Quick tip: If you encounter a crashing problem with your Outlook, first thing you should do is to install the latest cumulative updates for Outlook. They include all available fixes for Outlook. The hotfixes are released by Microsoft every two months. They can be download from the Microsoft’s Support website. If after installing them the problem with outlook 2007 or outlook 2010 still occurs, you need to follow next troubleshooting steps that are also described on Microsoft’s webpage.
Q: What to do if I try to start MS Outlook and the following error pops out: Cannot start Microsoft Outlook. Cannot open Outlook window.
A: Start Outlook with the resetnavpane switch. Usually it is the best method.
If you use Vista and Windows Seven:
Start> type outlook.exe /resetnavpane
If you use Windows XP:
Start> Run > outlook.exe /resetnavpane
If this method does not help in your case, please post below and I will try to figure out how to solve your particular issue.
We refer here to the situation when you get an invitation to view a shared Outlook folder (share Outlook folders). It has been sent from MS Office Outlook 2007/2010 user who is connected to Exchange Server. The problem is that you cannot access the shared folder as you do not have such an option in the received message.
Q: Why can’t I access shared folder that I’ve been invited to view?
A: Probably the invitation’s sender is running a later version of Outlook than you do, e.g. Outlook 2007 or Outlook 2010, while you are still using Outlook 2003.
Sometimes, trying to open links received in e-mails we get the message:”This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator.”.
Q: Why do I encounter hyperlink restrictions in Outlook 2007?
A: The most common cause is a corrupted or missing registry key in Internet Explorer.
Q: How can I resolve this issue?
A:Start with resetting web settings of your Internet Explorer (find instructions below appropriate for your browser’s version). It this will not help, you will have to import the registry key from another PC.
How to reset IE web settings?
IE 9
Open Internet Explorer > Click the Tools icon > click Internet Options > Click the Advanced tab > click Reset > Programs tab > click Set programs > Click Set your default programs > Select Microsoft Outlook > click Set this program as default > OK > close the Default Programs dialog box > Go to the Internet Options dialog box > click the Programs tab > click Make default under Default web browser > OK.
IE 7 / IE8
Open Internet Explorer > On the Tools menu, click Internet Options >Click the Advanced tab > click Reset > Programs tab > click Set programs > Click Set Default Programs > Select Microsoft Outlook > click Set this program as default > OK > close the Default Programs dialog box > In the Internet Options dialog box, click the Programs tab > click Make default under Default web browser > OK.
IE 6
Come on, do not say that you use such an outdated browser (?!). Upgrade it for your own safety…
If this method do not resolve the problem, export and import the registry key from another computer. You need to follow the below steps carefully as you are about to modify the registry. Just in case, do a backup of the registry before you edit it, so if a problem occurs, you can always restore it.
1. Export the registry key from another computer:
Start > Run > In the Open box, type regedit > click OK.
Locate the following registry key:
HKEY_Local_Machine\Software\Classes\htmlfile\shell\open\command >Click the Command folder.
On the File or Registry menu (depending on your operating system), click Export > Note the location of where the file will be saved. > Type a unique file name > click Save >Exit Registry Editor.
2. Import the registry key
Copy the exported registry key to the desktop on the problem computer.
Double-click the .reg file.
3. You receive the following message:
Are you sure you want to add the information in drive: location file was copied to\file name.reg to the registry?
Click Yes > click OK.
4. Verify if the String (Default) value of the “HKEY_CLASSES_ROOT \.html” key is “htmlfile”:
Start > click Run > In the Open box, type regedit > click OK.
Locate the following registry key:
HKEY_CLASSES_ROOT \.html > Verify if the value of the String (Default) is “htmlfile”. If it’s not “htmlfile”, right-click (Default), click Modify, input htmlfile in the Value data box > click OK > Exit Registry Editor.
To send and receive messages in MS Outlook you need to correctly configure the Internet e-mail information service. In order to do this, you need to know:
Sometimes people get an Outlook error and are forced to run the program in safe mode. By starting program in safe mode you can use Outlook that is not provided with add-ons, tool-bar customization or the preview pane. It can help you to identify a corrupted profile as well as third-party app or add-in that causes a problem.
Q: How to start Outlook in safe mode?
A: If you use Windows Vista or Windows 7:
Click Windows Start icon 
> Type outlook.exe /safe in the Start Search box > Press Enter
If you use Windows 2000 – 2003, Windows XP:
Click Start > Click Run > Type outlook.exe /safe > OK
All emails, calendars, contacts, notes, journals, tasks etc. are stored in Outlook as the PST files. PST stands for Personal Folder File. PST has fixed size of 2GB if you are using Microsoft Outlook 97-2002 and its later version uses larger sizes PST file.
Question: Why do I get “Unknown Error 0×80040116”?
Answer: There may be a few reasons causing the “Unknown Error 0×80040116”:
- PST file is damaged
- PST file reaches its size limit
- file system is corrupted
- an unvalid Outlook profile is used
- MS Outlook is not upgraded
Q: How do I fix the “Unknown Error 0×80040116”?
A: Follow the few steps:
1. Create new e-mail profile to get a new .pst file and then you are allowed to access the settings of new PST file;
2. Once your profile works fine, attach the existing PST file that you want to use;
3. You should be able to use the existing pst file without any error.
Alternatively, you can also try to use Inbox Repair tool of Outlook to repair PST file if the error still persists.If the corruption of PST file is critical and it is still not resolved after scanning, get a reliable third party solution. Use a reliable program to repair broken PST files and recover all the lost or inaccessible journals, emails, contacts etc.