ErrLookup › BCUninstaller/Bulk-Crap-Uninstaller

BCUninstaller/Bulk-Crap-Uninstaller

Remove large amounts of unwanted applications quickly. · C# · 567 source files

Analyzed at 608321de98 on 2026-08-13. 93 documented errors.

Code / MessageTypeSeverityTags
List is empty
exception error console, uninstall-list, input-validation, bcu-console
Process has no MainModule
exception warning window-targeting, process, permissions, bitness
Failed to get MainModule Directory
exception warning window-targeting, filesystem, edge-case
Selected tab is invalid or not supported.
exception error enum, switch, properties-window, logic-bug
This application does not have a valid uninstaller
exception warning properties-window, uninstaller, missing-data
Nothing to display. This application is uninstalled using Wi
exception info properties-window, msi, windows-installer
This application does not have a valid registry entry
exception warning properties-window, registry, missing-data
File not found.
exception error external-command, filesystem, user-input
Failed to call the API
exception error system-restore, permissions, windows-api
Pattern doesn't match the string. Sum of the pattern's parts
exception error string, validation, algorithm
String contains invalid characters. Data:
exception error string, unicode, normalization
The server returned data in an unknown encoding:
exception warning network, encoding, http
ContainerControl can be set only once
exception error winforms, designer, component
Argument {argument} has already been defined
exception error cli, arguments, validation
{argument} has been specified more than once, expecting sing
exception error cli, arguments, validation
Dism output has invalid format
exception error dism, parsing, windows, external-process
Dism returned error code
exception error dism, windows, external-process, error-code
Unknown range
exception error enum, switch, edge-case, filesystem
New value must be equal to or in between the minimum and max
exception error validation, range, numeric, generic
Minimum value must be lower than or equal to the maximum val
exception error validation, range, csharp, kloctools
Selector is invalid, it has to be in format x => x.Property
exception error reflection, expressions, localisation, csharp, kloctools
Resource of this type doesn't contain specified property
exception error resources, localisation, reflection, csharp, kloctools
Specified property is not of string type
exception error resources, localisation, type-mismatch, csharp, kloctools
Font size must be higher than 0
exception error drawing, validation, fonts, csharp, kloctools
Could not find the parent form
exception error winforms, lifecycle, components, csharp, kloctools
Hotkey handler called when parent form was null
exception error winforms, race-condition, disposal, csharp, kloctools
Icon handle must not be zero
exception error interop, drawing, icons, validation, csharp, kloctools
Not a Windows .exe file.
exception error filesystem, pe-header, validation, csharp, kloctools, windows
Win32_Directory.Compress returned {ret}
exception error wmi, filesystem, compression, windows, csharp, kloctools
Failed to parse the input
exception error parsing, guid, validation, csharp, kloctools
Process name can't be null or empty
exception error process, validation, csharp, kloctools, windows
File name can't be empty.
exception error parsing, command-line, validation, csharp, kloctools
Ending quotation mark is missing.
exception error parsing, command-line, quoting, csharp, kloctools
File name must contain an extension separated by a dot. {ful
exception error parsing, command-line, validation, csharp, kloctools
Path does not point to a valid .reg file
exception error registry, filesystem, validation, windows, csharp, kloctools
Path is too short/invalid
exception error registry, validation, windows, csharp, kloctools
Path root is invalid or missing
exception error registry, argument-validation, path-parsing, windows, csharp
Path cannot be empty or null
exception error registry, argument-validation, windows, csharp
Path cannot point to a root key
exception error registry, argument-validation, safety-guard, windows, csharp
Cannot remove the default value
exception error registry, argument-validation, safety-guard, windows, csharp
regedit.exe failed to execute properly
exception error registry, process, timeout, regedit, windows, csharp
regedit.exe returned error code: {pr.ExitCode}
exception error registry, process, regedit, error-code, windows, csharp
Could not close running instance of Regedit
exception error registry, regedit, process, permissions, windows, csharp
Failed to set the last user registry key
exception error registry, regedit, permissions, current-user, windows, csharp
Failed to open regedit.exe
exception error registry, regedit, process, error-wrapping, windows, csharp
Failed to open control panel entry
exception error windows, control-panel, process, error-wrapping, csharp
{canonicalName} is not a recognized or allowed app name
exception error oculus, uninstall, validation, csharp
Could not find a tweak with this name to uninstall
exception error script-helper, cli, tweaks, argument-validation, csharp
Multiple commands specified
validation error script-helper, cli, argument-parsing, csharp
Too many parameters
exception error cli, argument-parsing, scripthelper
No commands specified
exception error cli, argument-parsing, scripthelper
Missing ID parameter for what to uninstall
exception error cli, argument-parsing, scripthelper
ERROR_BAD_ARGUMENTS
Multiple commands specified
exception error cli, argument-parsing, steamhelper
Could not find Steam App with the ID {appIdStr}
exception error steam, filesystem, lookup, steamhelper
Failed to detect your Steam installation. Launch Steam, exit
exception error steam, registry, detection, environment, steamhelper
{deploymentResult.ErrorText}
exception error uwp, msix, storeapp, windows, storeapphelper
Invalid path {item.Command}
exception warning ui, startup-manager, filesystem, uninstalltools
Expected string or array token but got {reader.TokenType}
validation error json, serialization, data-validation, uninstalltools
Scoop export is in unkown or invalid format! Try updating Sc
exception error scoop, json, package-manager, data-validation, uninstalltools
Error while collecting Windows Features. If Windows Update i
exception error wmi, windows-features, dism, servicing, environment, uninstalltools
WMI query has hung while collecting Windows Features, try re
exception error wmi, windows-features, timeout, hang, servicing, uninstalltools
Key "{FullRegKeyPath}" doesn't exist or can't be accessed
exception warning registry, windows, io-exception, access-control, junk-removal
Value cannot be null or empty
exception error validation, argument-exception, filters, uninstall-list, constructor
Value cannot contain newlines
exception error validation, argument-exception, filters, uninstall-list, string-normalisation
File name cannot be empty.
exception error validation, argument-exception, uninstall-list, io, file-path
The uninstall list file is empty.
exception error io, invalid-data, uninstall-list, file-empty, deserialisation
The file does not contain an uninstall list. Expected root e
exception error xml, invalid-data, uninstall-list, deserialisation, schema-validation
The uninstall list file could not be deserialized.
exception error xml, invalid-data, uninstall-list, deserialisation, null-result, version-skew
Failed to enable this entry, the following file was not foun
exception error startup-manager, io, invalid-operation, file-not-found, windows
Failed to enable this entry, the following file was not foun
exception error startup-manager, io, invalid-operation, file-not-found, backup-restore
The user does not have the necessary access.
exception error windows-service, wmi, security-exception, access-denied, elevation
Action failed with return value {outParams["ReturnValue"]}.
exception error windows-service, wmi, management-exception, return-code, dependencies
Uninstaller timed out
exception error uninstaller, io-exception, timeout, stall-detection, process-management
The system cannot find the file specified. Indicates that th
exception error uninstaller, process-exit-code, file-not-found, exit-code-2, windows
The system cannot find the path specified. Indicates that th
exception error uninstaller, process-exit-code, path-not-found, exit-code-3, windows
Access is denied. Indicates that user has no access right to
exception error uninstaller, process-exit-code, access-denied, exit-code-5, elevation, file-lock
Program is not recognized as an internal or external command
exception error uninstaller, process-exit-code, exit-code-9009, path-resolution, cmd
0x80070032 - This app is part of Windows and cannot be unins
exception warning uninstaller, process-exit-code, appx, windows-component, hresult, not-supported
Uninstaller returned error code: {exitVar}
exception error uninstaller, process-exit-code, io-exception, msi, exit-code-default
There is no valid way of uninstalling this entry
exception error uninstaller, no-way-to-uninstall, domain-exception, registry-leftover, validation
Process failed to start.
exception error nsis, process-launch, io, automation, uninstaller
Automatic uninstallation failed.
exception error nsis, automation, process-attach, wrapper-exception, uninstaller
Reoccuring popup window detected!
exception warning nsis, ui-automation, popup, infinite-loop-guard, uninstaller
User cancelled the operation
exception info cancellation, cooperative-abort, user-cancel, uninstaller
Unknown HRESULT code: 0x{errorCode:X8}
exception warning hresult, windows-update, lookup-table, com, wu
Multiple commands specified
exception warning cli, argument-validation, windows-update, wu
Unknown argument: {arg}
exception warning cli, argument-validation, windows-update, wu
Multiple UpdateIDs specified
exception warning cli, argument-validation, windows-update, wu
No commands specified
exception warning cli, argument-validation, windows-update, wu
No UpdateID specified
exception warning cli, argument-validation, windows-update, wu
Selected update was not found
exception warning windows-update, wu, update-not-found, wua, uninstall
Selected update is not uninstallable
exception warning windows-update, wu, not-uninstallable, wua, uninstall
Update installer is busy
exception error windows-update, wu, timeout, installer-busy, wua, uninstall