The link in the very first thread in this topic contains the working url to download the zip file containing the txt font's ttf file.
https://community.sketchucation.com/uploads/imported_attachments/pdqA_txt_____.zip
I just used it.
I can't see what your issue might be...

Following my post about setting up your model's shadows for date/time-stamping and export, I had assumed the first steps to be self-evident - but for the avoidance of doubt...
Your model needs to be Geo-located to show correct shadows - because the UTC Time-Zone and its actual location are both important.
Use the Model Info section for this.
For example, the shadows at 08.00 in Southern England and in Northern Scotland are quite different despite them sharing a Time-Zone.
Also the model's default 'North' is the Y Green axis, but there might be an offset shown orange in the results. Make sure the Z Blue axis is 'up'.
If you have modeled the building 'on axis' but have a building that is in reality 'off axis', you can resolve this by making a group of everything, and then rotating that group to suit the actual North, when you edit that group its axes with it will still align as before; any further modeling within that group will also remain 'on axis' for your building, whilst it is actually placed in the world correctly.
The model's Shadow settings should now reflect its Geo-location.
Alternatively of older versions, if you want to adjust the 'north solar axis' manually, then there's a su_ tool available in the EWH - https://extensions.sketchup.com/extension/393f5153-ba5f-4f5f-849f-46b32cf64bd4/solar-north
I have Geo-location set up on my usual Template for my regional location, set manually using the Model Info dialog's section.
You can set up templates for various locations if you work in several different areas.

@omni
What software do you mean ?

Have you got the latest versions of the extensions and SketchUcation toolset ? This is needed to manage the licenses effectively.
Have you tried the forums 'My Licenses' page in the PluginStore, or perhaps easier to use, the page accessed from the ExtensionStore dialog's 'Quick Menu' called 'Licenses' both of which let you manage your licenses Release/Activate etc...

Following on from the previous 'usage' post, I've been asked about how you can export a Scene-tab containing the actual shadow reported with its area and %.
My other tool TIG_ShadowProjector will do this.
https://sketchucation.com/pluginstore?pln=TIG_shadowProjector
Read its thread for usage notes and guidance.
You need to set up a Plan [or Plan-like] view and model any building volumes simply to avoid excessive checking of objects that are ultimately found not to project meaningful shadows - e.g. internal floors, partitions and fittings, then faces for the neighboring land.
Select the face[s] to receive the shadows... Run the tool and choose the options.
The projected shadow can be represented in various ways -
probably the best for your purposes is the 'Faces[Edged]%-sq' - it draws each shadow as a 'gray' face, with edges visible, and with a text-label at its center of the 'Shadow' group showing the % and area [uses the current model's area units - sq' or sqm] of that face that's shaded at that date/time.

Some of you have asked how best to use TIG_ShowTime.

Here's some outline guidance based on the UK Planning Authorities' Rules - but other countries should have similar requirements.

If your proposed building overshadows its neighbors [particularly public amenity space] then no more than 50% of its surface area can be in shadow at any time, between 08.00 and 18.00 hours on 21st March. Some authorities also ask for studies for 21st June [summer] and occasionally 21st December [winter].

Adjust your model's Tags to show only your relevant building's massing and any adjacent structures' volumes and of course relevant ground plane faces etc.
Select a camera view that best shows your building any adjacent properties that might be affected.
Switch on Shadows so you can see the affects.
Add this tool's Screen-Text time-stamp using 'On' - e.g.' 21 March 08.00' at the bottom-left corner of the screen, with a 0 second delay.
Now set up Scene tabs for the 11 times [8.00..18.00], with each tab probably using the same view, although you could change the view in some Scene tabs to show relevant shadows better at critical times.
Rename each Scene tab to represent the time-stamp, e.g. 08.00, 09.00.. 18.00.
For each Scene tab in turn set its Shadow properties to the desired date [e.g. 21st March] and the relevant time [e.g 08.00], then Update that Scene tab to fix those values to it.
Open the View > Animation > Settings dialog - typically set Enabled scene transitions, at 3 second, with 0 second delay.
Choose View > Animation > Play > to see the effect.
When you are satisfied with the results you'll want to save the model and then export some data.
Open the first Scene tab in the set.
For an animated movie use use File > Export > Animation
MP4, select the Options you want - typically 30 fps, 720p HD, etc.
By default the output is saved into your model's folder, using the model's name.

You can also use the File > Export > 2d Graphic, and choose PNG etc if desired, as appropriate adjust its Options in the dialog.
Manually choose a file-name to reflect the Scene tab's name e.g. 08.00.png - otherwise it defaults to use the model-name.png.
It is recommended that you use a separate subfolder for these PNG files to avoid cluttering the model's folder.
However, Version 1.2 of the TIG_ShowTime tool has a new 'Export PNGs' option in its submenu to save each Scene tab to a PNG file, into a chosen folder.
The PNGs are named after the Scene-tab name etc, see the Help section for full details.

v1.2 is now released.
https://sketchucation.com/pluginstore?pln=TIG_ShowTime
It includes a new tool on the submenu > Export PNGs to save images of each Scene-tab named after the tab.
Full details are covered in the Help dialog.

v1.1 is now released.
https://sketchucation.com/pluginstore?pln=TIG_ShowTime
It's recoded to sidestep unpredictable bugsplats from undo-stack errors during animation exports. Improved Help content etc...

The B errors relate to license file issues.
Rich will comment in detail.
Have you copied the .license files over to your new PC ?
Have you tried activating the license [green button] ?
Have you logged in and checked your used licenses under the SketchUcation.. PluginStore > My Licenses page ?

@Rich-O-Brien
Not without a complicated HTMLdialog.
But I think the Help is only necessary when you first set it up
Thereafter you'll use the same settings, most of the time.
It's no hardship to note down the format and screen X & Y if you vary from the built-in default.
You can even edit the defaults in the RB file if you want to start off differently - but this will break the signing.
The On defaults are what you'll typically want anyway.
You only need to add a piece of screen-text once as it updates as you change to another scene-tab with a different date/time.
Used in animations etc...

New signed [unencrypted] extension in the PluginStore / ExtensionStore.
TIG_ShowTime
Displays time and/or date on screen in various formats, useful for multi-scene shadow studies, animations etc.
Usage: Extensions menu > TIG_ShowTime... Submenu > On (dialog for Format, X, Y, Delay) | Off | Help

Have you read the instructions ?
There are several tools to reverse faces and change their materials/textures.
Decide what it is you want to do...
What are you trying to do, explain simple steps and issues [keep the Ruby Console open to see any error messages]
Toggle between default face-view and textured-face view to see changes...
It works fine for me with v2026.

All of the previously loaded' error-messages suggest that somehow you have duplicates of those extensions installed in different locations, both of which SketchUp loads from.
Several of those causing errors are by other authors and are from other sources than SCF, and even some su_ shipped-extensions...

How are you installing your extensions ?

If you are copying files from one SketchUp version's Plugins folder into another. then it's a recipe for chaos.

If you download them from our PluginStore as RBZs and then use the Extension Manager to install them, then they automatically install in your default Plugins folder, from which SketchUp loads any extension .RB files it finds at startup. In your case it's
C:/Users/MSonmez/AppData/Roaming/SketchUp/SketchUp 2026/SketchUp/Plugins

If you use the ExtensionStore's dialog to auto-install them, that works without the need for the RBZ step, but they default to install in the same default Plugins folder.
However, you can opt to have your own personal destination folder, chosen and remembered with the ExtensionStore's Settings > Paths option. It's really only useful for those with a centralized folder used across SketchUp versions - you need to set up this alternative path using Fredo's AdditionalPluginsFolder tool.

An alternative path offered might be the Plugins folder in the ProgramData path, but this is only used for extensions shared between several users on the same computer, unlike your own user's Plugins folder personal to your login: it's typically used by more complex extensions like renderers etc. It does load its .RB files before the default Plugins folder so it could explain the duplication, but why all of your extensions seem to have arrived in there is a very unlikely mystery. It's not normally listed unless some previous installation [like a renderer] has made the Plugins folder for its .RB and subfolder...

If you can check for multiple Plugins folders and their duplicated contents it will help. Try to ensure only one version of each .RB and it's matching subfolder exist in any likely-to-be-loading Plugins folder.

Running this text in the Ruby Console will give you a list of all file-paths that are loaded from - BUT only the default ../AppData../Plugings would be normally listed in the ExtensionStore's Paths, never put extensions into another of these folders, unless you are really sure of what you are doing -
$LOAD_PATH
Please report back...

Step by step questions...
Can your IT guy get a cmd script to run at user's login ?
Can your IT guy then make that cmd script copy the license files from an admin-account's folder-structure into an equivalent folder in the user's account - e.g. '../appdata/local/scf licenses' ?
If this happens why can't the user then see the expected license files ?
I'm no cmd script guru. but surely your IT guys have some helpful ideas ??

e.g. If you manually copy over the license files from an admin-account's folder-structure into an equivalent folder in the user's account - e.g. '../appdata/local/scf licenses' - does that then work as expected ? If not, then why not ?

@ntxdave
The magnifying glass button is the first of the four icons at the right-hand end of the topmost title bar of the forum itself, NOT in the the title bar of the first post in a thread to the left of the 'Reply' button...

You've already learnt that you don't need to project the shadows of every element forming the building, or every plane that might catch a shadow.
Before you use the tool make a new tag to ultimately be an isolated set of geometry with the rest of the model 'off' - probably making two to reflect the original and modified forms.
then make a group that is assigned the appropriate tag.
Edit it and add simple faced 'box' shapes that follow the main external form of the building [used as a temporary underlay].
Only add in any wall, floor or roof faces etc, that will cast useful shadows.
You can probably ignore window-openings for a study this simple.
Do not include any 'rear' facing elements that won't cast meaningful shadows.
Do not include any wholly internal faces as they won't cast any useful shadows.
It should be relatively straightforward for you to work out which parts are needed - but the algorithm will look at everything.
Every superfluous bit of geometry which might not cast any meaningful shadows should be avoided -
because each one will still be pointlessly considered and processed before finally being ignored -
all of this only bloats the processing time exponentially and can lead to crashes as SketchUp becomes overwhelmed.
Perhaps an uploaded screen shot of the form, or even a simple skp showing what you've done so far, could elicit more useful advice...

Following on from @fredo6 's comment...
If each user logs in separately then surely a simple cmd script [written by your IT guys] auto-running at their login, could copy the needed license files over into their '../appdata/local/scf licenses' directory. Having this consistent location set up for everyone's folders/files should ease the license reading / validation ? Perhaps a logout cmd script could also run to tidy up and remove the no longer needed files, if thought appropriate ? ...

Perhaps @fredo6 would like to comment...

@Ramon3D

Several questions...

Does each of your students have a full copy of the the extension installed on their computer in their user's SketchUp Plugins folder ?
Also do they have a copy of the LibFredo6 installed on their computer in their user's SketchUp Plugins folder ? It's needed to support the extension.
And do they have a copy of the SketchUcation toolset installed on their computer in their user's SketchUp Plugins folder ? That's needed for the licensing.
Do they have a copy of the relevant license file saved onto their computer, and also has it been validated for that user and that device ?

@fredo6 will probably reply in more detail about the multi-seat licensing setup.

The recent update of our toolset sidesteps the particular startup error, but it won't stop the underlying issue of a badly installed extension causing issue - such as having a missing file causing an extension to miss out its version.
I assume from your explanation that you've deleted the Fredo extension's RB file AND its matching subfolder - and then the error was avoided.
If you install a fresh copy of it I presume that you no longer have an issue,
because the necessary file set will now be there,
and the Extension-Manager should then report it with its proper version info etc...