Resolution 1
To resolve this issue, use one of the following methods.
Method 1: Clear the forms cache in Outlook
- On the Tools menu, click Options.
- Click the Other tab.
- Click Advanced Options.
- Click Custom Forms.
- Click Manage Forms.
- Click Clear Cache, and then click Close.
- Click OK to close the Options dialog box.
- Click OK to close the Advanced Options dialog box.
- Click OK to close the Options dialog box.
- Restart Outlook.
Method 2: Delete the files in the OutlookSecureTempFolder location
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
Note Because there are several versions of Microsoft Windows, the following steps may be different on your computer. If they are, see your product documentation to complete these steps.
- Exit all Microsoft Office programs.
- Click Start, click Run, type regedit in the Open box, and then click OK.
- Locate and then select the registry key that corresponds to your version of Microsoft Outlook:
- HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Outlook\Security
- HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Outlook\Security
- HKEY_CURRENT_USER\Software\Microsoft\Office\10.0\Outlook\Security
- Right-click OutlookSecureTempFolder, and then click Modify.
- Right-click the location in the Value data box, and then click Copy.
- In the Edit String dialog box, click Cancel.
- On the File menu, click Exit.
- Start Windows Explorer.
- Paste the location that you copied in step 5 into the Address box in Windows Explorer, and then press ENTER.
- Make sure that the location that you specified in step 5 is selected, and then click Select All on the Edit menu.
- On the File menu, click Delete. Click Yes to confirm the deletion.
- Start Microsoft Outlook.
Resolution 2
Delete all the files and all the subfolders under the following folder:
C:\Documents and Settings\<User Account>\Local Settings\Temporary Internet Files
For more information about the temporary folder that Outlook uses, click the following article number to view the article in the Microsoft Knowledge Base:
296115�
Opened attachments are saved in a subdirectory in your Temporary Internet Files directory