Windows 7 activation and bootmgr is compressed error

Any other inappropriate content or behavior as defined by the Terms of Use or Code of Conduct. Any image, link, or discussion related to child pornography, child nudity, or other child abuse or exploitation. Details required : characters remaining Cancel Submit 1 person found this reply helpful. Was this reply helpful? Yes No. Sorry this didn't help. Thanks for your feedback.

Not an IT pro? Resources for IT Professionals. Sign in. United States English. Ask a question. Quick access. Search related threads. Remove From My Forums. Answered by:. Archived Forums. Compression of an entire driver is a way to save hard drive space, but some software, which claims to boost performance, may cause errors by compressing the whole C: drive.

There are two easy solutions to fix the error. Unfortunately, modern drives now offer hundreds or thousands of GB storage so there is no longer any need to compress files. Pro Tip: Run a dedicated PC optimization tool to get rid of incorrect settings, junk files, harmful apps, and security threats that can cause system issues or slow performance.

There are two easy solutions to fix the error. When accessed, it displays the OS selection options after loading the boot configuration data. We have discussed earlier that file compression allows PC users to minimize the size of files, folders, and programs. This is often done to reduce disk space usage. But since the system boot sector code does not have the ability to decompress files by itself, the BOOTMGR file, an important part of the booting process, should never be compressed.

Here are some examples. This is basically the same error and the circumstances surrounding them are the same. It only means that the compressed file is something else. But you can use the same troubleshooting steps to fix this type of errors. File compression is a great feature with which users can decrease the size of any data and reduce the amount of storage space they consume on hard drives. Unfortunately, the system boot sector code does not have the ability to unpack files on its own.

The first culprit is the speed booster or system optimizer that you might have installed recently. This type of program often triggers this problem because it compresses the entire system partition, usually the C: drive, to save storage.