upx

Are there any downsides to using UPX to compress a Windows executable?

I've used UPX before to reduce the size of my Windows executables, but I must admit that I am naive to any negative side effects this could have. What's the downside to all of this packing/unpacking? Are there scenarios in which anyone would recommend NOT UPX-ing an executable (e.g. when writing a DLL, Windows Service, or when targeting...

madExcept + UPX

I'm having problems using madExcept + UPX on Delphi 2007. Whenever I open the compressed application, a Windows exception dialog appears code 0xc0000005. Anyone has the solution for this? Thanks! ...

Can I use upx packer to compress a commercial program?

Can I use upx packer to compress a commercial program? Or does GPL restrict me from doing that? ...

How to detect what was the PE packer used on the given exe?

Hi, I've found an application which seems to be packed. I opened it with some hex editor and it contains "UPX1" section and "3.00 UPX!" string. Unfortunately I'm not able to decompress it with upx latest, it says "not packed by UPX". Is there a way to find out what other PE compressors/crypters were used? ...

Any downsides to UPX-ing my 32-bit Python 2.6.4 development environment EXE/PYD/DLL files?

Are there any downsides to UPX-ing my 32-bit Python 2.6.4 development environment EXE/PYD/DLL files? The reason I'm asking is that I frequently use a custom PY2EXE script that UPX's copies of these files on every build. Yes, I could get fancy and try to cache UPXed files, but I think a simpler, safer, and higher performance solution wo...