# Opus FAQs **URL:** https://resource.dopus.com/c/opus-faqs/10.md?page=1 [Latest](https://resource.dopus.com/latest.md) · [Categories](https://resource.dopus.com/categories.md) · [Tags](https://resource.dopus.com/tags.md) **Page:** 2 --- ## [Scripts (JS & VBS) Snippet: Enumerating listers and tabs](https://resource.dopus.com/t/scripts-js-vbs-snippet-enumerating-listers-and-tabs/18171)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [April 22, 2014, 5:38pm UTC](https://resource.dopus.com/t/scripts-js-vbs-snippet-enumerating-listers-and-tabs/18171 "2014-04-22T17:38:02Z")
The scripting API returns collections of objects in various places. For example, DOpus.listers is a collection containing a lister object for each lister that is open. This post provides examples of how to enumerate tho… --- ## [Autodesk Inventor thumbnails in Opus](https://resource.dopus.com/t/autodesk-inventor-thumbnails-in-opus/15521)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [April 18, 2013, 12:25pm UTC](https://resource.dopus.com/t/autodesk-inventor-thumbnails-in-opus/15521 "2013-04-18T12:25:19Z")
If you use Autodesk Inventor, you may see generic icons for its files instead of thumbnails in Opus. This is due to Autodesk's thumbnail provider loading DLLs it depends on in an unsafe way, which Opus blocks by defaul… --- ## [Shell extensions which are blocked by default](https://resource.dopus.com/t/shell-extensions-which-are-blocked-by-default/15350)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [March 22, 2013, 4:52pm UTC](https://resource.dopus.com/t/shell-extensions-which-are-blocked-by-default/15350 "2013-03-22T16:52:18Z")
Extensions which are blocked by default This is a list of third-party shell extensions which Opus tries to avoid loading, e.g. when generating right-click context menus. This does not block use of the programs themselve… --- ## [How to find components causing high CPU usage](https://resource.dopus.com/t/how-to-find-components-causing-high-cpu-usage/14144)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [October 17, 2012, 7:35am UTC](https://resource.dopus.com/t/how-to-find-components-causing-high-cpu-usage/14144 "2012-10-17T07:35:20Z")
See also: Crash, exit or high CPU when viewing certain directories Crash, exit or high CPU when right-clicking certain files If you are seeing constant high CPU usage, you might be able to find out what is causing it … --- ## [When and why does Directory Opus access the Internet?](https://resource.dopus.com/t/when-and-why-does-directory-opus-access-the-internet/13835)
**Author:** [@Jon](https://resource.dopus.com/u/Jon)\ **Replies:** 0\ **Last updated:** [August 30, 2012, 12:21am UTC](https://resource.dopus.com/t/when-and-why-does-directory-opus-access-the-internet/13835 "2012-08-30T00:21:10Z")
At various times, Directory Opus will attempt to access the Internet. If you are running a firewall program you may find it alerts you to this. It's up to you whether or not you want to allow Opus through your firewall, … --- ## [How to Exit Directory Opus](https://resource.dopus.com/t/how-to-exit-directory-opus/3479)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 1\ **Last updated:** [February 24, 2012, 4:55pm UTC](https://resource.dopus.com/t/how-to-exit-directory-opus/3479 "2012-02-24T16:55:04Z")
By default, Opus stays running in the background even when none of its windows are open. This is for a few reasons: It means you can very quickly open new Opus windows, which is useful if you frequently open windows to… --- ## [Your old toolbars are still there after you upgrade](https://resource.dopus.com/t/your-old-toolbars-are-still-there-after-you-upgrade/10812)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 1\ **Last updated:** [November 8, 2011, 1:57pm UTC](https://resource.dopus.com/t/your-old-toolbars-are-still-there-after-you-upgrade/10812 "2011-11-08T13:57:45Z")
See also: https://resource.dopus.com/t/how-to-create-a-styles-tab-bar-like-opus-9/11999 Directory Opus Pro: If you install a major upgrade of Directory Opus over a previous version then you'll see the new default toolba… --- ## [How to create a Styles tab-bar (like Opus 9)](https://resource.dopus.com/t/how-to-create-a-styles-tab-bar-like-opus-9/11999)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [November 8, 2011, 12:37pm UTC](https://resource.dopus.com/t/how-to-create-a-styles-tab-bar-like-opus-9/11999 "2011-11-08T12:37:50Z")
See also: Your old toolbars are still there after you install Opus 10 Directory Opus 10’s default toolbars have the Styles list in a menu: \[image\] Directory Opus 9’s default toolbars had a row of tabs, instead. You ca… --- ## [Folder Formats: Detailed Guide](https://resource.dopus.com/t/folder-formats-detailed-guide/11718)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [September 3, 2011, 2:59pm UTC](https://resource.dopus.com/t/folder-formats-detailed-guide/11718 "2011-09-03T14:59:31Z")
This FAQ explains the Opus folder formats system in depth. Before reading this guide you will probably want to read these FAQs: Folder Formats: Quick Guide Folder Formats: Special Folders (Computer, Network, etc.) Th… --- ## [Policy on EXEs made by UPX, AutoHotkey or AutoIt](https://resource.dopus.com/t/policy-on-exes-made-by-upx-autohotkey-or-autoit/7429)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 1\ **Last updated:** [July 25, 2011, 9:00am UTC](https://resource.dopus.com/t/policy-on-exes-made-by-upx-autohotkey-or-autoit/7429 "2011-07-25T09:00:34Z")
EXEs compressed with UPX: Do not use UPX to compress EXEs that you upload to the forum. If you use tools/languages which always generate UPX-compressed files, you can uncompress the result using the UPX command-line: u… --- ## [Windows Compatibility Settings / Wrong DPI / Installer misdetects OS](https://resource.dopus.com/t/windows-compatibility-settings-wrong-dpi-installer-misdetects-os/11352)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [July 3, 2011, 12:10pm UTC](https://resource.dopus.com/t/windows-compatibility-settings-wrong-dpi-installer-misdetects-os/11352 "2011-07-03T12:10:44Z")
Contents: Minimum supported versions of Windows What is Compatibility Mode? Compatibility Mode and Directory Opus How do I turn Compatibility Mode off? ← You're probably looking for this! Why was Compatibility Mode en… --- ## [How to change the language Opus uses](https://resource.dopus.com/t/how-to-change-the-language-opus-uses/9756)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [July 28, 2010, 7:14am UTC](https://resource.dopus.com/t/how-to-change-the-language-opus-uses/9756 "2010-07-28T07:14:32Z")
Below are some alternative ways to change the language of your Directory Opus installation. Via Preferences (the usual, simple way): In Opus, go here to select another language from the list: Settings \> Preferences / … --- ## [How to move the thumbnail cache](https://resource.dopus.com/t/how-to-move-the-thumbnail-cache/9664)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [June 27, 2010, 11:34am UTC](https://resource.dopus.com/t/how-to-move-the-thumbnail-cache/9664 "2010-06-27T11:34:24Z")
Default cache location By default, the Opus thumbnail cache (if enabled at all) is stored on your system drive. Moving the cache by hand If you wish to move the cache to another drive you can do so by creating a directo… --- ## [Why NOT to run Opus as Administrator under UAC](https://resource.dopus.com/t/why-not-to-run-opus-as-administrator-under-uac/9102)
**Author:** [@Jon](https://resource.dopus.com/u/Jon)\ **Replies:** 0\ **Last updated:** [January 19, 2010, 11:13pm UTC](https://resource.dopus.com/t/why-not-to-run-opus-as-administrator-under-uac/9102 "2010-01-19T23:13:21Z")
UAC Support Directory Opus supports Windows UAC and will prompt for elevation when required to perform administrator actions. The program itself does not need to be run elevated, and doing so can actually cause problems … --- ## [Automatic crash logs (for bug reports)](https://resource.dopus.com/t/automatic-crash-logs-for-bug-reports/8861)
**Author:** [@Jon](https://resource.dopus.com/u/Jon)\ **Replies:** 0\ **Last updated:** [December 1, 2009, 9:49pm UTC](https://resource.dopus.com/t/automatic-crash-logs-for-bug-reports/8861 "2009-12-01T21:49:44Z")
In the event of a crash, Directory Opus usually creates a log file (also known as a "dump file") with information that may be useful in diagnosing the problem. (For problems which don't result in a crash -- e.g. freezes… --- ## [How to check for a corrupted installer or main program](https://resource.dopus.com/t/how-to-check-for-a-corrupted-installer-or-main-program/8660)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [October 26, 2009, 2:35pm UTC](https://resource.dopus.com/t/how-to-check-for-a-corrupted-installer-or-main-program/8660 "2009-10-26T14:35:50Z")
Digital signatures The Directory Opus installer, as well as components of Directory Opus itself, are digitally signed by GPSoftware. Digital signatures allow you to verify that the files you have downloaded or installed… --- ## [Directory Opus executables and hooks](https://resource.dopus.com/t/directory-opus-executables-and-hooks/8486)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [September 21, 2009, 4:35pm UTC](https://resource.dopus.com/t/directory-opus-executables-and-hooks/8486 "2009-09-21T16:35:47Z")
This FAQ explains the purpose of the different .exe files that are part of Directory Opus. It also provides details of the keyboard hooks which Opus may install (and which some anti-virus tools may flag as potential key-… --- ## [HOW TO: Perform silent (un)install of Directory Opus](https://resource.dopus.com/t/how-to-perform-silent-un-install-of-directory-opus/1319)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 1\ **Last updated:** [August 28, 2009, 7:30pm UTC](https://resource.dopus.com/t/how-to-perform-silent-un-install-of-directory-opus/1319 "2009-08-28T19:30:44Z")
Summary: In a corporate environment you often want to install or uninstall software silently, with no input from the user. Current versions (Inno Setup installers): In early 2020, we switched to using Inno Setup instead… --- ## [HOW TO: Backup or locate your Opus configuration (Advanced)](https://resource.dopus.com/t/how-to-backup-or-locate-your-opus-configuration-advanced/8007)
**Author:** [@kenalcock](https://resource.dopus.com/u/kenalcock)\ **Replies:** 0\ **Last updated:** [June 12, 2009, 11:52pm UTC](https://resource.dopus.com/t/how-to-backup-or-locate-your-opus-configuration-advanced/8007 "2009-06-12T23:52:16Z")
See Also: HOW TO: Backup or locate your Opus configuration (Simple) Everything that can be configured in Directory Opus is stored in one of three general settings folders, each of which can be quickly accessed by typing… --- ## [How to add comments/descriptions to files and folders](https://resource.dopus.com/t/how-to-add-comments-descriptions-to-files-and-folders/7773)
**Author:** [@Jon](https://resource.dopus.com/u/Jon)\ **Replies:** 0\ **Last updated:** [April 19, 2009, 6:35am UTC](https://resource.dopus.com/t/how-to-add-comments-descriptions-to-files-and-folders/7773 "2009-04-19T06:35:49Z")
Video guide: Much of the information below was covered in the Opus 10.0.3.2 highlights video (link should go to 4m32s where the appropriate section begins). Setting descriptions on files: See File Descriptions in the Op… --- ## [HOW TO: Refer to programs on the same drive as portable Opus](https://resource.dopus.com/t/how-to-refer-to-programs-on-the-same-drive-as-portable-opus/7765)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [April 18, 2009, 10:11am UTC](https://resource.dopus.com/t/how-to-refer-to-programs-on-the-same-drive-as-portable-opus/7765 "2009-04-18T10:11:13Z")
USB drive letters People who run Opus from a USB drive often carry other programs on the same drive and want to run them from Opus buttons. The USB drive won't always be assigned the same letter, so how do you create b… --- ## [How to filter items by location or sub-folder](https://resource.dopus.com/t/how-to-filter-items-by-location-or-sub-folder/7644)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [March 25, 2009, 3:44pm UTC](https://resource.dopus.com/t/how-to-filter-items-by-location-or-sub-folder/7644 "2009-03-25T15:44:08Z")
Filtering by location This is about using filters within things like Tools \> Find Files when you want to exclude things under certain directories. It explains how to use Full Path, Location and Sub-folder clauses to fil… --- ## [Change the color of the Name (or sorted) column](https://resource.dopus.com/t/change-the-color-of-the-name-or-sorted-column/7062)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [November 22, 2008, 7:48am UTC](https://resource.dopus.com/t/change-the-color-of-the-name-or-sorted-column/7062 "2008-11-22T07:48:31Z")
If you have changed your file display colors or background images but you can't work out why one of your columns -- usually the Name column -- is still using a different color then read on. Go to Settings -\> Preferences … --- ## [SSH: How to log in using key files](https://resource.dopus.com/t/ssh-how-to-log-in-using-key-files/5822)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [April 8, 2008, 9:07am UTC](https://resource.dopus.com/t/ssh-how-to-log-in-using-key-files/5822 "2008-04-08T09:07:50Z")
Some SSH servers may offer, or even require, logins via private key files instead of simple passwords. This FAQ explains how to connect to SSH sites with private key authentication if you are using Opus's Advanced FTP a… --- ## [How to backup or locate your Opus configuration (Simple)](https://resource.dopus.com/t/how-to-backup-or-locate-your-opus-configuration-simple/5465)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [February 7, 2008, 9:12pm UTC](https://resource.dopus.com/t/how-to-backup-or-locate-your-opus-configuration-simple/5465 "2008-02-07T21:12:56Z")
See Also: HOW TO: Backup or locate your Opus configuration (Advanced) Normal (non-portable) installs: You don't normally need to know where the configuration is stored if you just want to back it up. Click on Settings \> … --- ## [Ask one question per thread](https://resource.dopus.com/t/ask-one-question-per-thread/5444)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [February 4, 2008, 2:04pm UTC](https://resource.dopus.com/t/ask-one-question-per-thread/5444 "2008-02-04T14:04:20Z")
In general, please ask only one question per thread, unless your questions are closely related. Similarly, if your question is answered and you then have a new, unrelated question, please post it in a new thread and do … --- ## [General slowdown or instability investigation steps](https://resource.dopus.com/t/general-slowdown-or-instability-investigation-steps/4618)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [August 31, 2007, 12:57pm UTC](https://resource.dopus.com/t/general-slowdown-or-instability-investigation-steps/4618 "2007-08-31T12:57:57Z")
See also: Crash, exit or high CPU usage when viewing certain directories Crash, exit or high CPU usage when right-clicking certain files How to find components causing high CPU usage How to find components causing memo… --- ## [Change the default folder icon in Opus](https://resource.dopus.com/t/change-the-default-folder-icon-in-opus/3797)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [May 22, 2007, 6:54am UTC](https://resource.dopus.com/t/change-the-default-folder-icon-in-opus/3797 "2007-05-22T06:54:47Z")
\[If you want to change only particular folder icons or folder label colors see Color Folder Icons and Set Folder Colors via Context Menu.\] Directory Opus gets the default folder icon by asking Windows via a standard API… --- ## [How to manually remove Explorer Replacement settings](https://resource.dopus.com/t/how-to-manually-remove-explorer-replacement-settings/3646)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [May 11, 2007, 9:57pm UTC](https://resource.dopus.com/t/how-to-manually-remove-explorer-replacement-settings/3646 "2007-05-11T21:57:55Z")
Turning off Explorer Replacement is usually done via one of two ways: If you want to keep Opus installed but don't want it to replace Explorer, go to Settings -\> Preferences / Launching Opus / Explorer Replacement and… --- ## [Always re-use a single window instead of opening new windows](https://resource.dopus.com/t/always-re-use-a-single-window-instead-of-opening-new-windows/3579)
**Author:** [@Leo](https://resource.dopus.com/u/Leo)\ **Replies:** 0\ **Last updated:** [May 7, 2007, 9:42pm UTC](https://resource.dopus.com/t/always-re-use-a-single-window-instead-of-opening-new-windows/3579 "2007-05-07T21:42:39Z")
( See Also: Middle click folder to open in new folder tab ) If you only ever want to have a single Opus window open then the following options will help. Note that the first two screenshots are not the same, one is for… [Previous page](https://resource.dopus.com/c/opus-faqs/10.md) [Next page](https://resource.dopus.com/c/opus-faqs/10.md?page=2)