there is long standing report that has not been addressed (about 10 years now)about this c?\ inwin7 or c:\?P in win8

notepad ++ does not have any s&r problems afaik wrt c?\
you probably did not use plain text search pattern and plain text radio button or
did not escape the pattern if you used it with regular expression

at the time of this post i have about 468 broken paths

D:\>reg query hklm\software\microsoft\windows\currentversion\installer

    InstallerLocation    REG_SZ    C:\Windows\system32\


D:\>reg export hklm\software\microsoft\windows\currentversion\installer waxnpp.reg
The operation completed successfully.

D:\>grep -obUaPc "\x43\x00\x3f\x00\x5c\x00" waxnpp.reg
468 <<<<<<<<<<<<<<<<<<<<

D:\>echo there are 468 broken paths at the moment in my machine lets npp this now
there are 468 broken paths at the moment in my machine lets npp this now

D:\>"c:\Program Files\Notepad++\notepad++.exe" waxnpp.reg
D:\>wc -l waxnpp.reg
218829 waxnpp.reg

D:\>ls -lg waxnpp.reg
-rw-rw-rw-  1 0 34893936 2020-01-17 18:31 waxnpp.reg

D:\>file waxnpp.reg
waxnpp.reg; Little-endian UTF-16 Unicode text, with CRLF line terminators
the hive has about 219K lines weighs 34mb

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