Composer Uninstaller Freezes - windows

I am trying to uninstall Composer in Windows 10 and the GUI hangs with the status bar not moving. I have let it set for several hours which makes me think it is hanging on to some dependency which does not allow it to move forward.
I installed using Composer-Setup.exe, v4.10.0.0.
Has anyone encountered this?
I've performed a whole lot of web searches. I found some posts about removing the composer.phar and AppData, but there are registry entries that would have to be taken into account.
I reran the installer then tried uninstalling with no change in behavior. Wondering if this is a bug with version 4.10.0.0.
Also tried a hail-mary by manually running the C:\Program Files (x86)\ComposerSetup\unins000.exe, to no avail.
Also tried a clean reboot followed by the uninstaller with no change.

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undefeatable TFS error: TF400030: The local data store is currently in use by another operation

No matter what I do, when I touch TFS in any way, it gives me the error:
TF400030: The local data store is currently in use by another operation. Please wait and then try your operation again. If this error persists, restart the application.
Well not everything, I can see a list of workspaces (all 1 of them). But trying to view the workspace in the source control explorer will only show "Working..." Pending changes can only show me there are 654 included changes (a migration, don't judge), but none of the actual changed files and strangely none of the excluded changes.
I tried to nuke this workspace and rebuild it from scratch. But even using tf.exe workspace /delete ..., right after a fresh reboot, will give me the above error.
I tried deleting all VS / TFS related folders from AppData\Local\Microsoft and running devenv.exe /resetuserdata afterwards as explained by Willy-P. Schaub.
Then running tf.exe workspaces results in No workspace matching * found on this computer. ... until starting VS again, after which my workspace is visible again
As explained by Philip Kelly the TF400030 error might be because of a scanner running. But I don't know how to locate / kill such a scanner and no process on my PC is doing any significant IO.
I fear spending the time to reinstall VS would result in this exact same situation and reinstalling my PC seems a bit excessive.
Is there a way to make the TFS client forget about my local workspace? Or even better hunt down and kill whatever other process causes the TF400030?
sigh sometimes the answer is so easy: I just rename the mapped folder on disk and TFS started responding again.

Visual Studio 2015 can't open project.exe for writing. Access to path denied

I am developing a VB.NET (4.5 framework) solution in Visual Studio 2015, Win10 OS, and have been able to run the builds uninhibited for several months, but now I am receiving the following error upon starting the build:
vbc : error BC2012: can't open
'C:\MyProject\ProjR5\ProjR5\obj\Debug\ProjR5.exe' for writing: Access
to the path 'C:\MyProj\ProjR5\ProjR5\obj\Debug\GenTagR5.exe' is
denied.
At first, VS2015 would give me the option to run the last successful build, but even that is no longer an option. After exhaustive internet searches on this problem, none of the dozen or so given solutions are solving my issue.
Here is what I have tried in order to resolve the error so far:
Ran sfc /scannow (elevated prompt)
Using ProcessExplorer, find handle or DLL substring that included my project
Made sure there were no hanging procs (including procs with my project name, devenv.exe, [project].exe, [myproject].vhost.exe, etc.)
Restarted VS2015
Restarted VS2015, running "as Administrator"
Restarted Computer
Full Shutdown of computer
Complete Rebuild of Solution
Build->Clean Solution
Build->Clean Solution, then Build->Build Solution
Build->Rebuild Solution
Uninstalled and Reinstalled VS2015
Disabled all indexing
Removed "Read Only" attribute from entire project folder and files within
Checked startup scripts for like- or identical processes
Disabled all AV apps
Disabled all antispyware apps
Disabled all firewalls
Verified that Application Experience (services.msc) wasn't disabled (I'm using
Win10 ... it isn't even in the list of services)
Set Tools->Options->Projects and Solutions->Build and Run->Max. parallel
builds to 1
Rerun aspnet_regiis.exe (under .NET\Framework)
Checked Local Security Policies and verified account was listed under
"Impersonate a client after authentication"
Removed \bin and \obj folders
Put \bin and \obj back when removing them didn't help
Removed \bin and \obj folders, then Rebuilt
None of these have worked. Any suggestions?
The problem ended up being Samsung Magician's Rapid Mode losing data during its write-caching phase to my solid state drive. I turned off Rapid Mode, and now the project builds without any problems.
Sorry for came too late, but i had this problem and i wanted to show how i fixed for the next devs who need a solution:
It's quite simple, just change your proyect assembly name:1) On your solution explorer: Right click on your proyect.
2) Properties>> aplication>> assembly name>> change it.
3) Compile, run to test it.
4) Change the name again if u wanted the original name.
Adding a description:
Changin the assembly name
New 2 programing in VS but i had same problem of Access or Write exe file ON BUILD.
Problem came out of nowhere. I didn't use or make changes 2 exe file in months,
made exe file, used it now and then and forgot about it....
Then after few months i wanted 2 start exe but no icon on desktop ??? ....tried everything, lost 3 days of searching inside code for error in VS and then called Google....
I read last comment ABOVE which mentioned Bitdefender, opened it and found BitD did block and isolate exe files ..... so i tried exluding files and folders which made problems inside BitD but no help....
So i went back 2 VS.
Within debug i got some X86 processor error which didnt make problem to build but it was warning (free component name in error description helped me ), - errors you can ignore but they are here on build ....
So i made last move before starting it all over again. Removed COMPONENT from application, deleted it on PC ...started VS from start .. and ALL was OK !!!
So in my case it was all about FREE component i used in app inside VS .... Bitdefender found some add / virus in it and blocked build progress.
BitD deleted or blocked exe file in start....
Hope this help anyone with similar problem !
The cause of this error for me was that Team Foundation Server had pulled in a bunch of files to my work space as Read-only. Not sure why it pulled them down from the server with read-only checked, but all I had to do was uncheck it.
Ok. Create a new solution and add its directories to the exception list and copy all your work, except for the '.vbproj' and except for the '.csproj' and the directory files to the directory of the directory of the new solution. I have tried that and it works, due that I have Bitdefender, it will be the only way to sort that issue. After doing so, try to build the app again. If it does not work, then I am definitely out of ideas.

uninstall.dat file cannot be found in xampp

I want to uninstall xampp and reinstall with the latest version. I've recently upgraded from Win7 to Win10 which I think is causing many of my problems.
I have saved all my files and folders, so that I can insert into the new version of xampp.
After I click "uninstall" I get this message "The uninstall.dat file cannot be found and is required to uninstall the application, aborting".
There is an uninstall.dat file in xampp and it is an Adobe file. I've tried changing it to Notepad and Editpad but still get the cannot be found message. And I've tried many times without success.
Can somebody tell me how to overcome this problem?
Maybe I need to uninstall by piecemeal but I don't know how to do that.
18/02/16 - Update.
The only solution I can think of is to move the xampp folder to the recycle bin.
In that event, how could I see if any of the programs are still running, and if they are, how to delete them?
I need to answer my own question, in case another person has the same problem. I deleted the xampp folder to the recycle bin, downloaded Version 7.0.4, installed and uninstalled, then installed once more. Everything appears to be working now. This may have been a fault with Version 7.0.2 which is what I had these problems with.
Actually I used XAMPP nearly four years ago during my college project, now not using it anymore, so I though to uninstall it but unfortunately got this same issue, just did a simple thing to resolve the issue, I had that setup from which I installed it, so using that I reinstalled it and then did the un-installation and it worked for me.
Copy paste required file into xampp folder and uninstall xampp as regular procedure via control panel.

Can't open CSS files in Visual Web Developer Express

I've checked for other with the same problem and found only three suggestions (reinstall, remove an update and restore files associations).
I haven't installed any updates, i've tried to reinstall the whole shabang (successfully) and i tested to restore the file ass'es. All to no avail.
When i click on the CSS-files i still get the message:
"The operation could not be completed. Undefined error.
That goes for all the projects and only CSS files (as far as i can see). The sites work properly as before. It's just the IDE that can't open the darned files! Suggestions?
This was really strange. The solution proved to be to install Web Standards from Scott Hanselman, remove it and THEN install it again. Truly strange indeed.

MSI Installation Issues

I've got an MSI based install that I've wrapped in an EXE file as per my installation packaging software (which is Wise Package Studio 7.0 SP2).
I've made many changes to the install, and every time I've tested them, they've worked just fine... up until now.
I changed some text on a dialog box for when the installation finishes and now it seems that no matter how/where I run the installation from, it won't take my "new" version. It continues to "think" it's already installed and even shows an older iteration of my dialog text at then end of the removal/repair/modify.
It's almost like it's cached that MSI/EXE somewhere and instead of running the one I've recompiled (and fixed the message/made changes) it continues to run the "old" one from somewhere.
Any idea what to check for/what could be going on here? Is there windows folder I need to go check? I'm on XP SP2.
Try running on a different machine, this will definitely rule out any local caching.
Check that the changes you have made are actually in the MSI. (use Orca to do this.)
Okay, so I tried this using an XP VM and taking a snapshot before installing. Looks like somehow the previous install was corrupt and was somehow caching itself on the original test computer I was working with.
By going to a clean and fresh PC, my changes were there and the script worked as expected. Now, I don't know what happened to cause the installation to cache like that somewhere on the PC, but at least I found a resolution.
I'll update this question with the location of the cached files if I can track them down...
To remove any cached Windows Installer information, you can use MSIZAP. My guess is that you haven't changed the package code so windows sees it as the same version of the installer (I'm not sure about WISE, but InstallShield is usually configured to automatically change the package code each time you rebuild.)
As far as the location of the cached files, this is configurable so have a hunt around in WISE and you should find it.

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