As we all know, filenames in Windows can't contain colons. However, I ran into a problem, that can be reproduced with the following sample code: import os os.c
jsonp
ixmldomdocument
auth-request
webpack-4
android-profiler
request-timed-out
fast-xml-parser
urlsplit
openiddict
multibranch-pipeline
azure-stack
audioworkletprocessor
itemssource
dynamic365
zero-padding
wpf-core-3.0
linear-search
statusstrip
error-messages-for
core.autocrlf
difference
hoverintent
resizable
include-once
google-geolocation
gadgetfs
mit-kerberos
nsstatusitem
outputdebugstring
ravendb5