Internet Explorer Default Registry Settings
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8/28/2008
This topic lists the default registry settings for Internet Explorer 6 for Windows Embedded CE. For a description of user agent and authentication support settings for Internet Explorer, see WinInet Registry Settings.
Base Registry Settings
Base registry settings for the Internet Explorer browser are stored in the HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main key.
Note
The default registry values var, depending onn which Catalog items are included in your OS design. For more information, see Default Registry Settings.
The following table shows somee settings that are available. The device manufacturer sets the actual registry values for a particular OS design.
| Value : type | Description |
|---|---|
Start Page : REG_SZ |
The URL of the default browser home page. |
Search Page : REG_SZ |
The URL of the default browser search page. |
NoNewWindows : REG_DWORD |
Set by default to 0. If set to 1, this entry blocks the window.open event. In this case a new window event will become an in-place navigation event and a window.close event will instead execute a back command. |
SBSizeV : REG_DWORD |
The width of the vertical scrollbar. Default setting is the system metric value SM_CXVSCROLL, which can be obtained by calling the GetSystemMetrics function. The valid range is 0 - 400. Setting the value to 0 hides the scrollbar. |
SBSizeH : REG_DWORD |
Default setting is the system metric value SM_CYHSCROLL, which can be obtained by calling the GetSystemMetrics function. Sets the height of the horizontal scrollbar. The valid range is 0 - 400 pixels. Setting the value to 0 hides the scrollbar. |
StackRes : REG_DWORD |
The size of the stack. Default setting is 40000. |
Error Dlg Displayed On Every Error : REG_SZ |
Default setting is "no". This disables the JScript error dialog in the browser, allowing the JScript engine to ignore errors and continue to run. |
Use_DlgBox_Colors : REG_SZ |
Default setting is "no". |
Anchor Underline : REG_SZ |
Default setting is "no". |
SmoothScroll : REG_DWORD |
Default setting is 0. |
Anchors jump on accesskey : REG_DWORD |
Default setting is 0. In this case, pressing ALT+<accesskey> selects the specified link. If set to 1, the access key combination navigates to the linked page. |
User Color and Font Preferences
The following settings in the HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Settings key set user preferences for color and font for the browser.
| Value : type | Description |
|---|---|
Anchor Color : REG_SZ |
Default setting is "0,0,255", which represents the color blue. |
Anchor Color Visited : REG_SZ |
Default setting is "128,0,128", which represents the color purple. |
Background Color : REG_SZ |
Default setting is "255,255,255", which represents the color white. |
Text Color : REG_SZ |
Default setting is "0,0,0", which represents the color black. |
Always Use My Colors : REG_DWORD |
If set to 1, the browser ignores colors specified on Web pages in favor of user preferences. (Accessibility option.) |
Always Use My Font Face : REG_DWORD |
If set to 1, the browser ignores font styles specified on Web pages in favor of user preferences. (Accessibility option.) |
Always Use My Font Size : REG_DWORD |
If set to 1, the browser ignores font sizes specified on Web pages in favor of user preferences. (Accessibility option.) |
User Style Preferences
The following settings in the HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Styles key set user style preferences for the browser.
| Value : type | Description |
|---|---|
Use My Stylesheet : REG_DWORD |
If set to 1, the browser ignores styles specified on Web pages in favor of user preferences. (Accessibility option.) |
User Stylesheet : REG_SZ |
Specifies the location of the user's style sheet, for example, "file:///Windows/Mystyle.css". (Accessibility option.) |
View Source
The following setting in the HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\ViewSourceEditor key enables source-code viewing. To use this functionality, the user types view-source: in front of the URL in the address bar of the browser, as in the following example:
view-source:https://<URL>
| Value : type | Description |
|---|---|
Editor Name : REG_SZ |
The file name of the text editor to use, for example, "pword.exe". |
Thread Priorities
The following settings in the HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\ThreadPriority\MSHTML key set thread priorities for MSHTML function calls.
| Value : type | Description |
|---|---|
base : REG_DWORD |
The thread priority for the main thread. The default is 251 (thread priority normal). |
stride : REG_DWORD |
The thread priority for the download thread is the sum of the base value plus the stride value. |
The following setting in the HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\WININET key sets thread priorities for WinInet function calls.
| Value : type | Description |
|---|---|
base : REG_DWORD |
The thread priority for the main thread. The default is 251 (thread priority normal). |
Cache Size Limits
The following settings in the HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache registry key and subkeys specify the cache names and initial cache limits.
| [Subkey\]Value : type | Description |
|---|---|
Signature : REG_SZ |
"Client UrlCache MMF Ver 4.7" |
QuotaAdjustCheck : REG_DWORD |
Default setting is 00000001, which represents the minimum cache size of 256 KB. If this entry is not set, the initial cache limit is 8192 KB. |
Content\CachePrefix : REG_SZ |
"Content:" |
Content\CacheLimit : REG_DWORD |
Default setting is 00000200, which represents a cache size of 512 KB. For example, to change the cache size to 4096 KB, change the value to 00001000 (4096 hex). The upper limit is determined by how much free space on the device. |
Cookies\CachePrefix : REG_SZ |
"Cookie:" |
Cookies\CacheLimit : REG_DWORD |
Default setting is 00000100, which represents a cache size of 256 KB. |
History\CachePrefix : REG_SZ |
"Visited:" |
History\CacheLimit : REG_DWORD |
Default setting is 00000100, which represents a cache size of 256 KB. |
Cache Configuration
The following setting in the HKEY_CURRENT_USER\SOFTWARE\Microsoft\windows\CurrentVersion\Internet Settings registry key specifies when the browser should check for updated Web pages.
| Value : type | Description |
|---|---|
SyncMode5 : REG_DWORD |
Default value is 00000004, which instructs the browser to automatically check for updated Web pages. Other valid values are as follows: 0: Never check for updates (always use cached page). 2: Check for updates one time per session. 3: Always check for updates. |
Image Cache Limits
The following settings in the HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Image Caching key specify cache limits for downloaded images. Increasing these values gives improved performance but uses more RAM.
| Value : type | Description |
|---|---|
Cache Size : REG_DWORD |
The size of the image cache, in bytes. Default setting is 1048576 (1024KB). Doubling the cache size improves performance when displaying images. |
Item Size : REG_DWORD |
The maximum size of each cached item, in bytes. Default setting is 131072 (128KB). |
Max Items : REG_DWORD |
Number of cache entries. Default setting is 128. |
Glyph Cache Size
The following setting in the HKEY_LOCAL_MACHINE\System\GDI\GLYPHCACHE key sets the size of the glyph cache.
| Value : type | Description |
|---|---|
Limit : REG_DWORD |
The maximum size of the glyph cache. Default setting is 00004000 (16KB). Doubling the cache size to 00008000 (32KB) can improve the rate at which text is rendered. |
Cookie Management Settings
Applies to Windows Embedded CE 6.0 R2
For Windows Embedded CE 6.0 R2 the HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\Clean Privacy key stores the setting that configures IESample to delete all the cookies when the browser exits.
| Values: Type | Description |
|---|---|
Cookies : REG_DWORD |
If this key or this value does not exist, the system uses the default setting of 0, and the browser leaves cookies intact when the browser exits. If this value is set to 1, when the browser exits correctly it deletes all cookies. |